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{{short description|Arguments that have been made against evolution}}
{{evolution3}}
{{Evolutionary biology}}
There have been numerous '''objections to evolution''' since alternative ] came to be debated around the start of the nineteenth century.<ref name=icj>{{cite web | last = Johnston | first =Ian C. | title =Section Three: The Origins of Evolutionary Theory | work =. . . And Still We Evolve | publisher =Liberal Studies Department, ] | date =1999 | url =http://www.mala.bc.ca/~johnstoi/darwin/title.htm | accessdate = 2007-07-25 }}</ref> The ideas gained vast popular audiences, and when ] brought out his 1859 book '']'' he gradually convinced most of the ] that ] was true. Darwin's theory of ] came to be seen as the primary explanation of the process of evolution in the 1930s.<ref name=JvW>{{cite web | last =van Wyhe | first = John | title =Charles Darwin: gentleman naturalist: A biographical sketch | work = The Complete Work of Charles Darwin Online | publisher =University of Cambridge | date = 2002-7 | url =http://darwin-online.org.uk/darwin.html | accessdate = 2007-07-25 }}</ref> The existence of evolutionary processes and the ] explaining them have been uncontroversial among biologists for nearly a century.<ref>, Interacademy Panel</ref>
'''Objections to evolution''' have been raised since ] came to prominence in the 19th century. When ] published his 1859 book '']'', his theory of ] (the idea that ] arose through ] in a process driven by ]) initially met opposition from ]s with ], but eventually came to receive ] in the ]. The observation of evolutionary processes occurring (as well as the ] explaining that evidence) has been uncontroversial among mainstream ]s since the 1940s.


Since then, nearly all criticisms of evolution have come from religious, rather than scientific, sources{{fact}}. However, most Christians believe in God as Creator, while also accepting scientific evolution as a natural process.<ref>Godfrey, Laurie R. '''Scientists Confront Creationism'''. Pg 8. W. W. Norton & Company (1984). ISBN 0393301540.</ref> A minority of Christians rejected evolution from its outset as "heresy", but most attempted to reconcile scientific evolution with Biblical accounts of creation.<ref>D'Souza, Dinesh. '''What's So Great about Christianity'''. Pg 144. Regnery Publishing (2007). ISBN 1596985178.</ref> Islam accepts the natural evolution of plants and animals, but the origin of man is contested and no consensus has emerged.<ref>Emerick, Yahiya. '''The Complete Idiot's Guide to Islam'''. Pg 81. Alpha Books (2001). ISBN 0028642333.</ref> The resultant ] has been a focal point of recent apparent ] between ]. Since then, criticisms and denials of evolution have come from ] groups, rather than from the scientific community. Although many religious groups have found reconciliation of their beliefs with evolution, such as through ], other religious groups continue to reject evolutionary explanations in favor of ], the belief that the universe and life were created by ] forces. The ]-centered ] has become a focal point of perceived conflict between ].


In contrast to earlier objections to evolution that were either strictly scientific or explicitly religious, recent objections to evolution have frequently blurred the distinction. Movements such as ] and ] attack the scientific basis of evolution and argue that there is greater scientific evidence for the design of life by God or an intelligent being. Many of the arguments against evolution have become widespread, including objections to evolution's evidence, methodology, plausibility, morality, and scientific acceptance. However, these arguments are not accepted by the scientific community.<ref name="aaas">{{cite web|url=http://www.aaas.org/news/releases/2006/pdf/0219boardstatement.pdf|title=Statement on the Teaching of Evolution|publisher=American Association for the Advancement of Science|date=2006|accessdate=2007-03-20}}</ref> Several branches of creationism, including ], ], and ], argue that the idea of life being directly designed by a ] or intelligence is at least as scientific as evolutionary theory, and should therefore be ]. Such arguments against evolution have become widespread and include objections to evolution's ], ], plausibility, ], and scientific acceptance. The scientific community does not recognize such objections as valid, pointing to detractors' misinterpretations of such things as the ], evidence, and basic ]s.


==History==
==Defining evolution==
{{further|History of evolutionary thought|History of creationism|Creation–evolution controversy}}
{{further|]}}
]'s theory of ] gained widespread acceptance as a description of the origin of species, but there was continued resistance to his views on the significance of ] as the mechanism of evolution.]]
{{wiktionarypar|evolution}}


Evolutionary ideas came to prominence in the early 19th century with the theory (developed between 1800 and 1822) of the ] put forward by ] (1744–1829). At first the ] – and notably ] (1769–1832) – opposed the idea of evolution.<ref name="icj">{{cite book |last= Johnston |first= Ian C. |year= 1999 |chapter= Section Three: The Origins of Evolutionary Theory |chapter-url= http://records.viu.ca/~johnstoi/darwin/sect3.htm |title= . . . And Still We Evolve: A Handbook for the Early History of Modern Science |url= http://records.viu.ca/~johnstoi/darwin/title.htm |edition= 3rd revised |location= Nanaimo, BC |publisher= Liberal Studies Department, ] |access-date= 2007-07-25 |archive-url= https://web.archive.org/web/20160416050826/http://records.viu.ca/~johnstoi/darwin/title.htm |archive-date= 2016-04-16 |url-status= dead }}</ref> The idea that ] control ] and ] gained vast popular audiences with ]'s '']'' of 1828 and with the anonymous '']'' of 1844. When ] published his 1859 book '']'', he convinced most of the scientific community that new species arise through descent through modification in a branching pattern of divergence from ], but while most scientists accepted natural selection as a valid and ]ly testable ], Darwin's view of it as the primary mechanism of evolution was rejected by some.<ref name=darwin-online-2002-van-wyhe-complete />
] reflects the view that ] and ] ] are in conflict, but that Christian truth will triumph.]]


Darwin's contemporaries eventually came to accept the transmutation of species based upon ] evidence, and the ] (operative from 1864 to 1893) formed to defend the concept of evolution against opposition from the church and wealthy amateurs.<ref>{{cite web |url= http://www.aboutdarwin.com/timeline/November.html |title= Darwin's Timeline: November |date= February 10, 2008 |website= AboutDarwin.com |publisher= David Leff |location= Eugene, OR |access-date= 2015-03-21 |archive-url= https://web.archive.org/web/20151128025624/http://www.aboutdarwin.com/timeline/November.html |archive-date= November 28, 2015 |url-status= dead |df= mdy-all }}</ref> At that time the specific evolutionary mechanism which Darwin provided – ] – was actively disputed by scientists in favour of alternative theories such as ] and ]. Darwin's ] account was also opposed by the ideas of ] and ]. ] led scientific opposition to gradualism on the basis of his thermodynamic calculations for the ] at between 24 and 400 million years, and his views favoured a version of theistic evolution accelerated by divine guidance.<ref>{{harvnb|Bowler|1992|pp= 23–24}}</ref> Geological estimates disputed Kelvin's age of the earth, and the geological approach gained strength in 1907 when ] of rocks revealed the Earth as billions of years old.<ref name="England et al 2007">{{cite journal |last1= England |first1= Philip |author-link1= Philip England |last2= Molnar |first2= Peter |last3= Righter |first3= Frank |date= January 2007 |title= John Perry's neglected critique of Kelvin's age for the Earth: A missed opportunity in geodynamics |journal=GSA Today |volume=17 |issue=1 |pages=4–9 |doi=10.1130/GSAT01701A.1 |bibcode= 2007GSAT...17R...4E |issn=1052-5173|doi-access= free }}</ref><ref name="Boltwood">{{cite journal |last= Boltwood |first= Bertram B. |author-link= Bertram Boltwood |date= February 1907 |title= On the Ultimate Disintegration Products of the Radio-Active Elements. Part II. The Disintegration Products of Uranium |journal= ] |series= 4 |volume= 23 |issue= 134 |pages= 78–88 |doi= 10.2475/ajs.s4-23.134.78 |s2cid= 131688682 |issn= 0002-9599|url= https://zenodo.org/record/1450152 }}</ref> The specific ] mechanism which Darwin hypothesized, ], which supported gradualism, also lacked any supporting evidence and was disputed by the empirical tests (1869 onwards) of ]. Although evolution itself was scientifically unchallenged, uncertainties about the mechanism in the era of "]" persisted from the 1880s until the 1930s'<ref>{{harvnb|Bowler|1992|page= 3}}</ref> inclusion of ] and the rise of the ]. The modern synthesis rose to universal acceptance among biologists with the help of new evidence, such as that from ], which confirmed Darwin's predictions and refuted the competing hypotheses.<ref>{{harvnb|Bowler|2003}}</ref>
One of the main sources of confusion and ambiguity in the creation-evolution debate is the definition of ''evolution'' itself. In the context of biology, evolution is simply the genetic change in populations of organisms over successive generations. However, the word has a number of different meanings in different fields, from ] to ] to ] to ] and ]. It can even refer to ], ], or any of a number of ] philosophies. When biological evolution is mistakenly conflated with other evolutionary processes, it can result in errors such as the claim that modern evolutionary theory says anything about ] or the ].<ref name="moran">{{cite web|last=Moran|first=Laurence|date=1993|url=http://www.talkorigins.org/faqs/evolution-definition.html|title=What is Evolution?|publisher=|accessdate=2007-03-24}}</ref>


], especially in America, broke out in "acrid polemics" and argument about evolution from 1860 to the 1870s—with the turning point possibly marked by the death of ] in 1873—and by 1880 a form of "] evolution" was becoming the consensus.<ref>{{harvnb|Moore|1979|p= 10|ps=. " Loewenberg identifies the period from 1860 to 1880 as one of 'acrid polemics' . The turning-point for acceptance of evolution, says, was the death of Louis Agassiz in 1873. Pfeifer finds that some form of 'Christian evolution' had gained wide acceptance by 1880."}}</ref> In Britain, while publication of ] by Darwin in 1871 reinvigorated debate from the previous decade, ] (1920–2008) notes a steady acceptance of evolution "among more educated Christians" between 1860 and 1885.{{citation needed|date=October 2019}} As a result, evolutionary theory was "both permissible and respectable" by 1876.<ref name="moore">{{harvnb|Moore|1979|p= 10}}</ref> ]'s lectures on ''The Relations between Religion and Science'' (1884) on how evolution was not "antagonistic" to religion highlighted this trend.<ref>{{harvnb|Temple|1884|loc= Lecture IV: }}</ref> Temple's appointment as ] in 1896 demonstrated the broad acceptance of evolution within the church hierarchy.<ref name="moore" />
In colloquial contexts, ''evolution'' can refer to any sort of progressive development, and often bears a connotation of gradual improvement: evolution is understood as a process that results in greater quality or complexity. This common definition, when misapplied to biological evolution, leads to frequent misunderstandings. For example, the idea of ] ("backwards" evolution) is a result of erroneously assuming that evolution is directional or has a specific goal in mind (cf. ]). In reality, the evolution of an organism does not entail objective improvement; its suitability is only defined in relation to its environment. Biologists do not consider any one species, such as humans, to be more "highly evolved" or "advanced" than another.<ref name="devolving">{{cite web|url=http://www.sciam.com/askexpert_question.cfm?articleID=00071863-683B-1C72-9EB7809EC588F2D7|publisher=Scientific American|title=Ask the experts:Biology-Is the human race evolving or devolving?|date=1998|accessdate=2007-03-24}}</ref>


For decades the ] avoided officially rejecting evolution. However, the Church would rein in Catholics who proposed that evolution could be reconciled with the ], as this conflicted with the ]'s (1869–70) finding that everything was created ] by God, and to deny that finding could lead to ]. In 1950 the ] '']'' of ] first mentioned evolution directly and officially.<ref name=vatican-1950-08-12-pope-pius-xii /> It allowed one to enquire into the concept of ]s coming from pre-existing living matter, but not to question ] or the creation of the ]. In 1996 ] labelled evolution "more than a hypothesis" and acknowledged the large body of work accumulated in its support, but reiterated that any attempt to give a material explanation of the human soul is "incompatible with the truth about man".<ref name=caltech-1996-10-30-pope-john-paul-ii /> ] in 2005 reiterated the conviction that human beings "are not some casual and meaningless product of evolution. Each of us is the result of a thought of God. Each of us is willed, each of us is loved, each of us is necessary."<ref>{{Cite web|url= https://w2.vatican.va/content/benedict-xvi/en/homilies/2005/documents/hf_ben-xvi_hom_20050424_inizio-pontificato.html|title= 24 April 2005: Mass for the inauguration of the Pontificate {{!}} BENEDICT XVI|website= w2.vatican.va|access-date= 2017-05-19}}</ref> At the same time, Pope Benedict promoted the study of the relationship between the concepts of creation and evolution, based on the conviction that there cannot be a contradiction between faith and reason.<ref>See John Allen's essay at https://www.ncronline.org/blogs/all-things-catholic/benedicts-thinking-creation-and-evolution. See also Christoph Cardinal Schönborn's exposition "Benedict XVI. on 'Creation and Evolution'": http://www.pas.va/content/dam/accademia/pdf/acta20/acta20-schoenbornen.pdf {{Webarchive|url=https://web.archive.org/web/20190805193716/http://www.pas.va/content/dam/accademia/pdf/acta20/acta20-schoenbornen.pdf |date=2019-08-05 }}</ref> Along these lines, the ] "]", run by a team of ] scholars, endeavours to reconcile the scientific evidence on evolution with the teaching of ]<ref>{{Cite web|url= http://www.thomisticevolution.org/|title= Thomistic Evolution|website= www.thomisticevolution.org|language= en-US|access-date= 2017-05-19}}</ref> (1225–1274).
Nor does evolution require that organisms become more complex. Although the ] reflects a gradual trend towards a larger number of increasingly complex organisms, this is no more a necessary consequence of evolution than the existence of Mars is a necessary consequence of gravity; rather, it is a consequence of the specific circumstances of evolution on Earth, which frequently made greater complexity advantageous, and thus ] for. Depending on the situation, organisms' complexity can either increase, decrease, or stay the same, and all three of these trends have been observed in biological evolution; indeed, decreasing complexity is exceedingly common.<ref name="devolving"/>


] ranged from those believing in literal creation (as implied in the ]) to many educated Muslims who subscribed to a version of theistic or guided evolution in which the Quran reinforced rather than contradicted mainstream science. This occurred relatively early, as medieval ]s taught the ideas of ], a Muslim scholar from the 9th century, who proposed concepts similar to natural selection.<ref name=hssrd-2002-summer-majid /> However, acceptance of evolution remains low in the Muslim world, as prominent figures reject evolution's underpinning ] of ] as unsound to human origins and a denial of ].<ref name=hssrd-2002-summer-majid /> Further objections by Muslim authors and writers largely reflect those put forward in the ].<ref name="EvoDeceit">{{harvnb|Yahya|1999}}</ref>
Creationist sources frequently define evolution according to its colloquial, rather than scientific, meaning. As a result, many attempts to rebut evolution are actually ] that do not address the claims of evolutionary biology. This also means that advocates of creationism and evolution often simply speak at odds with each other.<ref name="moran"/><ref>{{cite web|last=Doolan|first=Robert|date=1996|url=http://www.answersingenesis.org/creation/v18/i3/wisdom_teeth.asp|title=Oh! My aching wisdom teeth!|publisher=|accessdate=2007-03-24}}</ref>


Regardless of acceptance from major religious hierarchies, early religious objections to Darwin's theory continue in use in opposition to evolution. The idea that species change over time through natural processes and that different species share common ancestors seemed to contradict the ]. Believers in ] attacked ] as heretical.{{citation needed|date=October 2019}} The ] of the early-19th century was typified by ]'s 1802 version of the ], an ] still deployed by the creationist movement. Natural theology included a range of ideas and arguments from the outset, and when Darwin's theory was published, ideas of theistic evolution were presented in which evolution is accepted as a secondary cause open to scientific investigation, while still holding belief in God as a first cause with a non-specified role in guiding evolution and creating humans.<ref name=Darwin&design>{{cite web |url= https://www.darwinproject.ac.uk/darwin-and-design-article |title= Darwin and design |author=<!--Staff writer(s); no by-line.--> |website= ] |publisher= ]; ] |location= Cambridge, UK |access-date= 2015-03-24 |url-status= dead |archive-url= https://web.archive.org/web/20150327005203/http://www.darwinproject.ac.uk/darwin-and-design-article |archive-date= 2015-03-27 }}</ref> This position has been adopted by denominations of ] and ] in line with ] which views the Bible and ] as allegorical, thus removing the conflict between evolution and religion.
==History of objections==
{{further|], ] and ]}}
]'s theory of evolution met strong religious resistance.]]


However, in the 1920s ] in the ] developed their ] arguments against modernist theology into ], with fears that Darwinism had led to German militarism and posed a threat to religion and morality. This opposition developed into the creation–evolution controversy, involving Christian literalists in the United States objecting to the teaching of evolution in ]s. Although early objectors dismissed evolution as contradicting their interpretation of the Bible, this argument was legally invalidated when the ] ruled in '']'' in 1968 that forbidding the teaching of evolution on religious grounds violated the ].<ref name="SM07">{{cite journal |last1= Scott |first1= Eugenie C. |author-link1= Eugenie Scott |last2= Matzke |first2= Nicholas J. |author-link2= Nick Matzke |date= May 15, 2007 |title= Biological design in science classrooms |journal= ] |volume= 104 |issue= suppl. 1 |pages= 8669–8676 |bibcode= 2007PNAS..104.8669S |doi= 10.1073/pnas.0701505104 |issn= 0027-8424 |pmc= 1876445 |pmid= 17494747|doi-access= free }}</ref>
The earliest objections to Darwinian evolution were both scientific and religious. Although most of Darwin's contemporaries came to accept the ], the specific evolutionary mechanism which Darwin provided, ], was actively disputed by alternative theories such as ] and ]. Darwin's ] account was also opposed by ] and ]. Additionally, the specific ] mechanism Darwin provided, ], lacked any supporting evidence. In the early 20th century, pangenesis was replaced by ], leading to the rise of the ]. ], in its revised form as "Neo-Darwinism", rose to universal acceptance among biologists with the help of new evidence, such as ], which confirmed Darwin's predictions and refuted the competing theories.<ref>{{cite book|first=PJ|last=Bowler|authorlink=Peter J. Bowler|date=2003|title=Evolution: The History of an Idea, Third Edition, Completely Revised and Expanded|publisher=University of California Press|isbn=978-0520236936}}</ref>


Since then creationists have developed more nuanced objections to evolution, alleging variously that it is unscientific, infringes on creationists' ], or that the acceptance of evolution is a religious stance.<ref name="ham">{{harvnb|Ham|1987|loc= Chapter 2: }}</ref> Creationists have appealed to democratic principles of fairness, arguing that evolution is controversial and that science classrooms should therefore "]".<ref name="wedge" /> These objections to evolution culminated in the ] in the 1990s and early 2000s that ] attempted to present itself as a scientific alternative to evolution.<ref name="bush">{{cite press release |last= Workosky |first= Cindy |date= August 3, 2005 |title= National Science Teachers Association Disappointed About Intelligent Design Comments Made by President Bush |url= http://old.nsta.org/about/pressroom.aspx?id=50794 |location= Arlington, VA |publisher= ] |access-date= 2007-03-24 |archive-date= 2021-09-08 |archive-url= https://web.archive.org/web/20210908170615/https://old.nsta.org/about/pressroom.aspx?id=50794 |url-status= dead }}</ref><ref name="HarrisPoll">
Since then, although disagreements and new ideas have continued over certain specific points, such as ], evolutionary theory itself has been entirely uncontested in the field of biology, and indeed is commonly described as the "cornerstone of modern biology".<ref>{{cite web|authorlink=William Overton (judge)|last=Overton|first=William|date=1982|url=http://www.talkorigins.org/faqs/mclean-v-arkansas.html|title=McLean v. Arkansas Board of Education|publisher=|accessdate=2007-03-24}}</ref><ref>{{cite web|last=Colby|first=C|date=1996|url=http://www.talkorigins.org/faqs/faq-intro-to-biology.html|title=Introduction to Evolutionary Biology|publisher=|accessdate=2007-03-24}}</ref>
{{cite journal
|last= Bishop |first= George |date= August 2006
|title= Polls Apart on Human Origins
|url= http://www.publicopinionpros.norc.org/features/2006/aug/bishop3.asp
|journal= Public Opinion Pros |issn= 1555-5518
|access-date= 2008-10-27
|archive-url= https://web.archive.org/web/20110727130125/http://www.publicopinionpros.norc.org/features/2006/aug/bishop3.asp
|archive-date= 2011-07-27 |url-status= dead
}}
</ref>


==Defining evolution==
Many early religious objections to Darwin's theory, in contrast, continue to thrive to this day. The idea that species had developed over time by natural processes from a ] seemed to contradict the ]. Many believers in ] thus attacked Darwinism as heretical. The most common early religious arguments against evolution were ]'s ], an ] still heavily utilized by the modern creationist movement. The idea of organs developing incrementally was also objected to, in the form of questions like "what use is half a wing?" or "what use is half an eye?" This, however, is a ']' argument: evolution does not postulate half an eye, but an eye that is half as efficient. The incremental improvement refers to an organ's ability, rather than its structure.


A major source of confusion and ambiguity in any creation–evolution debate arises from the definition of ''evolution'' itself. In the context of biology, evolution is genetic changes in populations of organisms over successive generations. The word also has a number of different meanings in different fields, from ] to ] to ] to ] and ].
In the 20th century, the wide acceptance of evolution by the ] led to frequent conflicts between creationism and evolution, comprising the ]. Most of these conflicts have centered on the objections of ] in the ] to the teaching of evolution in public schools. Although early objections simply dismissed evolution for seeming to contradict the Bible, this argument was invalidated when the ] ruled in '']'' that forbidding the teaching of evolution on religious grounds violated the ].


{{Multiple image|direction=vertical|align=right|image1= Biston.betularia.7200.jpg |image2= Biston.betularia.f.carbonaria.7209.jpg|width= 200| caption1= White ] |caption2= Black morph in ]. Even minor variation in a population can lead to evolution by natural selection.}}
Since then, many creationists have developed more sophisticated objections to evolution, alleging that it is unscientific, that its teaching infringes on creationists' ], that belief in evolution is religious, or that belief in God is scientific. Creationists have appealed to democratic principles of fairness, arguing that evolution is controversial, and that science classrooms should therefore "]" and let students decide what to believe for themselves. These objections to evolution culminated in the ] in the 1990s, which has gained significant public support in the United States.<ref name="bush">{{cite web|date=2005|url=http://www.nsta.org/pressroom&news_story_ID=50794|title=National Science Teachers Association Disappointed About Intelligent Design Comments Made by President Bush|publisher=|accessdate=2007-03-24}}</ref>


''Evolution'' in colloquial contexts can refer to any sort of "progressive" development or gradual improvement, and a process that results in greater quality or complexity.<ref>{{cite web | url = https://www.merriam-webster.com/dictionary/evolution | title = Definition of Evolution| publisher = merriam-webster.com | access-date = 4 January 2017 | quote = 2 c (1): a process of continuous change from a lower, simpler, or worse to a higher, more complex, or better state : GROWTH <br> (2): a process of gradual and relatively peaceful social, political, and economic advance}}</ref> When misapplied to biological evolution this common meaning can lead to frequent misunderstandings. For example, the idea of ] ("backwards" evolution) is a result of erroneously assuming that evolution is directional or has a specific goal in mind (cf. orthogenesis). In reality, the evolution of a biological organism has no "objective" and is only showing increasing ability of successive generations to survive and reproduce in their environment; and increased suitability is only defined in relation to this environment. Biologists do not regard any one species (such as humans) as more ''highly evolved'' or ''advanced'' than another. Certain sources have been criticized for indicating otherwise due to a tendency to evaluate nonhuman organisms according to ] standards rather than according to more objective ones.<ref name="devolving">{{cite journal |last=Dougherty |first= Michael J. |date=July 20, 1998 |title=Is the human race evolving or devolving? |url= http://www.scientificamerican.com/article/is-the-human-race-evolvin/ |journal=] |issn=0036-8733 |access-date=2015-03-24}}</ref>
==Objections to evolution's scientific acceptance==
Many recent objections to evolutionary theory have focused on downplaying its scientific acceptance, attempting to discredit or invalidate it in order to advocate creationism as an equally good, or superior, explanation for life's diversity. Creationists often argue, for example, that evolution is unproven, non-factual, or controversial.


Evolution also does not require that organisms become more complex. Although the ] shows an apparent trend towards the ], there is a question as to whether this appearance of increased complexity is real, or whether it comes from neglecting the fact that the majority of life on Earth has always consisted of ]s.<ref name="Carroll">{{cite journal |last=Carroll |first= Sean B. |author-link=Sean B. Carroll |date=February 22, 2001 |title=Chance and necessity: the evolution of morphological complexity and diversity |journal=] |volume=409 |issue=6823 |pages=1102–1109 |doi=10.1038/35059227 |issn=0028-0836 |pmid=11234024|bibcode=2001Natur.409.1102C |s2cid= 4319886 }}</ref> In this view, complexity is not a necessary consequence of evolution, but specific circumstances of evolution on Earth frequently made greater complexity advantageous and thus ] for. Depending on the situation, organisms' complexity can either increase, decrease, or stay the same, and all three of these trends have been observed in studies of evolution.<ref name="devolving" />
===Evolution is just a theory, not a fact===
{{further|]}}


Creationist sources frequently define evolution according to a colloquial, rather than the scientific meaning. As a result, many attempts to rebut evolution do not address the findings of ] (see ]). This also means that advocates of creationism and evolutionary biologists often simply speak past each other.<ref name=talkorigins-1993-1-22-moran-definition />
Critics of evolution frequently assert that evolution is "just a theory", with the intent of emphasizing evolution's unproven nature, or of characterizing it as a matter of opinion rather than of fact or evidence. This reflects a misunderstanding of the meaning of '']'' in a scientific context: whereas in colloquial speech a theory is a conjecture or guess, in science a theory is simply an explanation or model of the world that makes testable predictions. When ''evolution'' is used to describe a theory, it refers to an explanation for the diversity of species and their ancestry. An example of evolution as theory is the ] of Darwinian ] and ]. As with any scientific theory, the modern synthesis is constantly debated, tested, and refined by scientists. There is an overwhelming consensus in the scientific community that it remains the only robust model that accounts for the known facts concerning evolution.<ref name="moran2">{{cite web|last=Moran|first=Laurence|date=1993|url=http://www.talkorigins.org/faqs/evolution-fact.html|title=Evolution is a Fact and a Theory|publisher=|accessdate=2007-03-24}}</ref>
==Scientific acceptance==


===Status as a theory===
Critics also state that evolution is not a ]. In science, a fact is a verified empirical observation; in colloquial contexts, however, a fact can simply refer to anything for which there is overwhelming evidence. For example, in common usage theories such as "the Earth revolves around the Sun" and "objects fall due to gravity" may be referred to as "facts", even though they are purely theoretical. From a scientific standpoint, therefore, the theory of evolution may be called a "fact" for the same reason that gravity can: under the technical definition, this applies to the observed process of evolution occurring whenever a population of organisms genetically changes over time, whereas under the colloquial definition, this applies to evolutionary theory's well-established nature. Thus, evolution is widely considered ] by scientists.<ref name=Isaak>{{cite web|url=http://www.talkorigins.org/faqs/faq-misconceptions.html|title=Five Major Misconceptions about Evolution|first=Mark|last=Isaak|date=2003|publisher=|accessdate=2007-03-24}}</ref><ref name=gouldfact>{{cite book|title=Hen's Teeth and Horse's Toes|first=SJ|last=Gould|publisher=W. W. Norton & Company|date=1994|pages=253-262|isbn=0393017168|url=http://www.stephenjaygould.org/library/gould_fact-and-theory.html|accessdate=2007-03-24}}</ref><ref>{{cite web|url=http://www.actionbioscience.org/evolution/lenski.html|title=Evolution: Fact and Theory|first=RE|last=Lenski|date=2000|publisher=|accessdate=2007-03-24}}</ref>
{{further|Evolution as fact and theory}}


Critics of evolution assert that evolution is "just a theory", which emphasizes that scientific theories are never absolute, or misleadingly presents it as a matter of opinion rather than of fact or evidence.<ref name=talkorigins-1993-1-22-moran-fact /> This reflects a difference of the meaning of '']'' in a scientific context: whereas in colloquial speech a ''theory'' is a conjecture or guess, in ] is an explanation whose predictions have been verified by experiments or other evidence. ''Evolutionary theory'' refers to an explanation for the diversity of species and their ancestry which has met extremely high standards of scientific evidence. An example of evolution as theory is the ] of Darwinian natural selection and Mendelian inheritance. As with any scientific theory, the modern synthesis is constantly debated, tested, and refined by scientists, but there is an overwhelming consensus in the scientific community that it remains the only robust model that accounts for the known facts concerning evolution.<ref name=aaas-2006-2-16-statement-teaching-evolution />
Similar confusion is involved in objections that evolution is "unproven";<ref name="morris">{{cite book|last=Morris|first=HM|date=1985|title=Scientific Creationism|publisher=Master Books|isbn=978-0890510025}}</ref> strict ] is possible only in logic and mathematics, not science, so this is trivially true, and no more an indictment of evolution than calling it a "theory" is. The confusion arises, however, in that the colloquial meaning of ''proof'' is simply "compelling evidence", in which case scientists would indeed consider evolution "proven". The distinction is an important one in ], as it relates to the lack of absolute ] in all empirical claims, not just evolution.<ref name="Theobald">{{cite web|last=Theobald|first=Douglas|date=2004|url=http://www.talkorigins.org/faqs/comdesc/sciproof.html|title=29+ Evidences for Macroevolution: Scientific "Proof", scientific evidence, and the scientific method|publisher=|accessdate=2007-03-24}}</ref>


Critics also state that evolution is not a ].<ref name="MentonFact">{{cite web |url=http://mall.turnpike.net/C/cs/theory.htm |title=Is Evolution a Theory, a Fact, or a Law? |last=Menton |first=David N. |year=1993 |work=Missouri Association for Creation |archive-url=https://web.archive.org/web/20100914223848/http://mall.turnpike.net/C/cs/theory.htm |archive-date=2010-09-14 |access-date=2010-06-16}} "Originally published in: St. Louis MetroVoice, October 1993, Vol. 3, No. 10"</ref> In science a fact is a verified empirical observation while in colloquial contexts a fact can simply refer to anything for which there is overwhelming evidence. For example, in common usage theories such as "]" and "objects fall due to gravity" may be referred to as "facts", even though they are purely theoretical. From a scientific standpoint, therefore, evolution may be called a "fact" for the same reason that gravity can: under the scientific definition, evolution is an observable process that occurs whenever a population of organisms genetically changes over time. Under the colloquial definition, the theory of evolution can also be called a fact, referring to this theory's well-established nature. Thus, evolution is widely considered ] by scientists.<ref name=talkorigins-1993-1-22-moran-fact /><ref name=talkorigins-2003-10-1-faq-misconceptions-isaak /><ref name="gouldfact">{{harvnb|Gould|1983|pp=253–262}}</ref><ref>{{cite web |url=http://www.actionbioscience.org/evolution/lenski.html |title=Evolution: Fact and Theory |last=Lenski |first=Richard E. |author-link=Richard Lenski |date=September 2000 |website=actionbioscience |publisher=] |location=Washington, D.C. |access-date=2007-03-24 |archive-url=https://web.archive.org/web/20070403205805/http://www.actionbioscience.org/evolution/lenski.html |archive-date=2007-04-03 |url-status=dead }}</ref>
===Evolution is controversial or contested===


Similar confusion is involved in objections that evolution is "unproven", since no theory in science is known to be absolutely true, only verified by ].<ref name=icr-morris /><ref>{{harvnb|Morris|1974}}</ref> This distinction is an important one in ], as it relates to the lack of absolute ] in all empirical claims, not just evolution. Strict ] is possible only in ]s such as logic and mathematics, not ]s (where terms such as "validated" or "corroborated" are more appropriate). Thus, to say that evolution is not proven is trivially true, but no more an indictment of evolution than calling it a "theory". The confusion arises in that the colloquial meaning of ''proof'' is simply "compelling evidence", in which case scientists would indeed consider evolution "proven".<ref name="Theobald">{{cite web |url=http://www.talkorigins.org/faqs/comdesc/sciproof.html |title=Scientific 'Proof', scientific evidence, and the scientific method |last=Theobald |first=Douglas |work=29+ Evidences for Macroevolution: The Scientific Case for Common Descent |publisher=The TalkOrigins Foundation, Inc. |location=Houston, TX |access-date=2007-03-24}} Version 2.89.</ref>
{{further|]}}


===Degree of acceptance===
One of the most recent major objections to evolution is in a sense ]: it argues that evolution is controversial or contentious. Unlike past creationist arguments which sought to abolish the teaching of evolution altogether, this argument makes the weaker claim that evolution, being controversial, should be provided alongside other, alternative views, and students should be allowed to evaluate and choose between the options on their own.<ref>{{cite news|authorlink=Stephen C. Meyer|last=Meyer|first=SC|date=2002|url=http://www.arn.org/docs/meyer/sm_teachthecontroversy.htm|title=Teach the controversy|publisher=Cincinnati Enquirer|accessdate=2007-03-24}}</ref> This appeal to "fairness" and a more democratic, "balanced" approach in which conflicting views are given "equal time" appeals to many American creationists, and has been endorsed by President ].<ref name="bush"/><ref name="morris"/><ref name="equal">{{cite web|last=Isaak|first=M|date=2004|url=http://www.talkorigins.org/indexcc/CA/CA040.html|title=Index to Creationist Claims, Claim CA040: Equal time|publisher=|accessdate=2007-03-24}}</ref>
{{further|Level of support for evolution}}


An objection is often made in the ] that evolution is controversial or contentious.<ref>{{cite magazine |last=Ratliff |first=Evan |author-link=Evan Ratliff |date=October 2004 |title=The Crusade Against Evolution |url=https://www.wired.com/wired/archive/12.10/evolution.html?pg=2 |magazine=] |volume=12 |issue=10 |issn=1059-1028 |access-date=2015-03-27}}</ref><ref name="equal" /> Unlike past creationist arguments which sought to abolish the teaching of evolution altogether, this argument makes the claim that evolution should be presented alongside alternative views since it is controversial, and students should be allowed to evaluate and choose between the options on their own.<ref name="equal">{{cite web |url=http://www.talkorigins.org/indexcc/CA/CA040.html |title=Index to Creationist Claims: Claim CA040: Equal time |date=September 25, 2004 |editor-last=Isaak |editor-first=Mark |website=TalkOrigins Archive |publisher=The TalkOrigins Foundation, Inc. |location=Houston, TX |access-date=2007-03-24}}</ref><ref>{{cite news |last=Meyer |first=Stephen C. |author-link=Stephen C. Meyer |date=March 30, 2002 |title=Teach the Controversy |url=http://www.discovery.org/a/1134 |newspaper=] |location=Tysons Corner, VA |publisher=] |access-date=2015-03-27}}</ref>
This objection forms the basis of the "]" campaign, an attempt by the ] to promote the teaching of ] in public schools. This in turn forms a major part of the Institute's "]", an attempt to gradually undermine evolution and ultimately to "reverse the stifling ] world view and replace it with a science consonant with Christian and theistic convictions".<ref>A copy of the Discovery Institutes ''Wedge Strategy'' document can be found here: {{cite web|url=http://www.antievolution.org/features/wedge.pdf|title=Wedge Strategy|publisher=Discovery Institute|date=1999|accessdate=2007-03-24}}</ref>


This objection forms the basis of the "]" campaign by the ], a ] based in Seattle, Washington, to promote the teaching of intelligent design in U.S. public schools. This goal followed the Institute's "]", an attempt to gradually undermine evolution and ultimately to "reverse the stifling dominance of the ] worldview, and to replace it with a science consonant with Christian and theistic convictions."<ref name="wedge">A copy of the ]'s '']'' document is found here: {{cite web |url=http://www.antievolution.org/features/wedge.pdf |archive-url=https://web.archive.org/web/20070422235718/http://www.antievolution.org/features/wedge.pdf |url-status=usurped |archive-date=April 22, 2007 |title=The Wedge |year=1999 |publisher=Discovery Institute |location=Seattle, WA |access-date=2007-03-24}} pg 6 Five Year Strategic Plan Summary end of para 1 "We are building on this momentum, broadening the wedge with a positive scientific alternative to materialistic scientific theories, which has come to be called the theory of intelligent design (ID). Design theory promises to reverse the stifling dominance of the materialist worldview, and to replace it with a science consonant with Christian and theistic convictions."</ref> Several other attempts were made to insert intelligent design or creationism into the U.S. public school curriculum, including the failed ] in 2001.<ref name=washingtonpost-2005-8-2-gwb />
Scientists and U.S. courts have rejected this objection on the grounds that science is not based on ], but on evidence. The ] of biologists, not popular opinion or "fairness", determines what is considered acceptable science, and it is argued that although evolution is clearly controversial in the public arena, it is entirely uncontroversial among experts in the field.<ref name="scott"/>


Scientists and U.S. courts have rejected this objection on the grounds that science is not based on ], but on evidence. The ] of biologists determines what is considered acceptable science, not popular opinion or fairness, and although evolution is controversial in the public arena, it is entirely uncontroversial among experts in the field.<ref name="scott" /><ref name="IAP_2006">{{cite web |url=http://www.interacademies.net/10878/13901.aspx |title=IAP Statement on the Teaching of Evolution |author=IAP Member Academies |date=June 21, 2006 |website=] |publisher=] |location=Trieste, Italy |access-date=2015-03-25 |archive-url=https://web.archive.org/web/20110717190031/http://www.interacademies.net/10878/13901.aspx |archive-date=July 17, 2011 |url-status=dead }}</ref>
In response, creationists have disputed the level of scientific ]. The Discovery Institute has gathered over 600 scientists since 2001 to sign "]" in order to show that there are a number of scientists who dispute Darwinian evolution. This statement did not profess outright disbelief in Darwinian evolution, but expressed skepticism as to the ability of "random mutation and natural selection to account for the complexity of life." Several counter-petitions have been launched in turn, including ], which gathered over 7,000 signatures in four days, and ], a tongue-in-cheek petition that has gathered over 700 evolution-supporting scientists named "Steve".


In response, creationists have disputed the level of scientific ]. The Discovery Institute has gathered over 761 scientists as of August 2008 to sign '']'' in order to show that there are a number of scientists who dispute what they refer to as "Darwinian evolution". This statement did not profess outright disbelief in evolution, but expressed skepticism as to the ability of "random mutation and natural selection to account for the complexity of life." Several counter-petitions have been launched in turn, including '']'', which gathered over 7,000 signatures in four days,<ref>{{citation | title=Ask Science |first=Kenneth |last= Chang |newspaper=New York Times |date=February 21, 2006 |url=https://www.nytimes.com/2006/02/21/science/ask-science.html |access-date=2016-09-08}}</ref> and ], a tongue-in-cheek petition that has gathered the signatures of 1,497 (as of May 22, 2024) evolution-supporting scientists named "Steve" (or any similar variation thereof—Stephen, Stephanie, Esteban, etc.).<ref name="PS1200">{{cite web |url=http://ncse.com/news/2012/04/project-steve-n-1200-007293 |title=Project Steve: n > 1200 |author=<!--Staff writer(s); no by-line.--> |date=April 6, 2012 |website=National Center for Science Education |location=Oakland, CA |access-date=May 24, 2016
Creationists have argued for over a century that evolution is "]" that will soon be overturned. This is based on a variety of objections to evolution, including that it ] or ]. These objections have been rejected by most scientists, as have claims that intelligent design, or any other creationist explanation, meets the basic scientific standards that would be required to make them scientific "alternatives" to evolution. It is also argued that even if evidence against evolution exists, it is a ] to characterize this as evidence ''for'' intelligent design.<ref name="equal"/><ref>{{cite web|last=Morton|first=GR|date=2002|url=http://home.entouch.net/dmd/moreandmore.htm|title=The Imminent Demise of Evolution: The Longest Running Falsehood in Creationism|accessdate=2007-03-24}}</ref>
}}</ref>


Creationists have argued for over a century that evolution is a "theory in crisis" that will soon be overturned, based on objections that it lacks reliable evidence or violates natural laws. These objections have been rejected by most scientists, as have claims that intelligent design, or any other creationist explanation, meets the basic scientific standards that would be required to make them scientific alternatives to evolution. It is also argued that even if evidence against evolution exists, it is a ] to characterize this as evidence ''for'' intelligent design.<ref name=entouch-2002-morton-imminent-demise />
A similar objection to evolution is that certain scientific authorities &mdash; mainly pre-modern ones &mdash; have doubted or rejected evolution. Most commonly, it is argued that Darwin "recanted" on his deathbed, a myth originating from the ]. These objections are generally rejected as ]. Even if this myth were true, it would hold no bearing on the merit of the theory itself.


A similar objection to evolution is that certain scientific authorities—mainly pre-modern ones—have doubted or rejected evolution.<ref name="deceased">{{cite web |url=http://www.talkorigins.org/indexcc/CA/CA114.html |title=Index to Creationist Claims: Claim CA114: Many famous scientists were creationists |date=November 25, 2005 |editor-last=Isaak |editor-first=Mark |website=TalkOrigins Archive |publisher=The TalkOrigins Foundation, Inc. |location=Houston, TX |access-date=2022-01-24}}</ref> Most commonly, it is argued that Darwin "recanted" on his deathbed, a false anecdote originating from ].<ref>{{cite web|url=http://www.talkorigins.org/faqs/hope.html |title=The Lady Hope Story: A Widespread Falsehood |first=Simon |last=Yates |website=TalkOrigins Archive |publisher=The TalkOrigins Foundation, Inc. |location=Houston, TX |access-date=2022-01-24}}</ref> These objections are generally rejected as ].<ref>{{Cite book | url=https://books.google.com/books?id=_4K720YRj88C&q=Lady+Hope%27s+story+appeal+to+authority&pg=PA229 | title=Evangelicals and Science in Historical Perspective| isbn=9780195353969| last1=Livingstone| first1=David N.| last2=Hart| first2=D. G.| last3=Noll| first3=Mark A.| date=1999-04-08| publisher=Oxford University Press}}</ref>
==Objections to evolution's scientific status==
A common neocreationist objection to evolution is that evolution does not adhere to normal scientific standards &mdash; that it isn't genuinely scientific. It is argued that evolution does not follow the ], and therefore should not be taught in science classes, or at least should be taught alongside other views (i.e., creationism). These objections often deal with the very nature of Darwinian evolution and the scientific method.


==Scientific status==
===Evolution is a religion===
A common neo-creationist objection to evolution is that evolution does not adhere to normal scientific standards—that it is not genuinely scientific. It is argued that evolutionary biology does not follow the ] and therefore should not be taught in science classes, or at least should be taught alongside other views (i.e., creationism). These objections often deal with:
{{further|]}}
* the very nature of evolutionary theory,
* the scientific method, and
* the ].


===Religious nature===
Creationists commonly argue against evolution on the grounds that "evolution is a religion; it is not a science".<ref name="ham">{{cite book|authorlink=Ken Ham|last=Ham|first=K|date=1987|title=The Lie: Evolution|url=http://www.creationists.org/evolutionisreligion.html|publisher=Master Books|isbn=0-89051-158-6|accessdate=2007-03-24}} see Evolution is Religion, Chapter 2</ref> The purpose of this criticism is to undermine the "higher ground" biologists claim in debating creationists, and to reframe the debate from being between science (evolution) and religion (creationism) to being between two equally religious beliefs &mdash; or, in some cases, even to argue that evolution is religious, while some form of creationism (typically ]) is not.<ref>{{cite book|authorlink=William Dembski|last=Dembski|first=WA|date=2006|title=The Design Inference: Eliminating Chance through Small Probabilities (Cambridge Studies in Probability, Induction and Decision Theory)|publisher=Cambridge University Press|isbn=978-0521678674}}</ref><ref name="notscience">{{cite journal|last=Morris|first=HM|date=2001|url=http://www.icr.org/pdf/imp/imp-332.pdf|title=Evolution Is Religion&mdash;Not Science|journal=Impact: Vital Articles on Science/Creation|volume=332}}</ref> Those that oppose evolution frequently refer to supporters of evolution as "]" or "]".<ref name="ham"/>
{{further|Relationship between religion and science|Scientism}}


Creationists commonly argue that "evolution is a religion; it is not a science."<ref name="ham" /> The purpose of this criticism is to reframe the debate from one between science (evolution) and religion (creationism) to between two religious beliefs—or even to argue that evolution is religious while intelligent design is not.<ref>{{harvnb|Dembski|1998}}</ref><ref name="notscience">{{cite journal |last=Morris |first=Henry M. |author-link=Henry M. Morris |date=February 2001 |url=http://www.icr.org/i/pdf/imp/imp-332.pdf |title=Evolution Is Religion—Not Science |journal=Impact |location=El Cajon, CA |publisher=] |issue=332 |pages=i–iv |oclc=8153605 |access-date=2015-03-28}}</ref> Those that oppose evolution frequently refer to supporters of evolution as "evolutionists" or "]".<ref name="ham" />
The arguments for evolution being a religion generally amount to arguments by ]: it is argued that evolution and religion have one or more things in common, and that therefore evolution is a religion. Examples of alleged similarities include claims that evolution is based on ], that supporters of evolution revere Darwin as a prophet, and that supporters of evolution ] reject alternative suggestions out-of-hand.<ref name="morris"/><ref>{{cite web|last=Wiker|first=BD|date=2003|url=http://www.crisismagazine.com/julaug2003/feature1.htm|title=Does Science Point to God? Part II: The Christian Critics|publisher=|accessdate=2007-03-25}}</ref> These claims have become more popular in recent years as the neocreationist movement has sought to distance itself from religion, thus giving it more reason to make use of a seemingly anti-religious analogy.<ref name="scott">{{cite book|authorlink=Eugenie Scott|last=Scott|first=EC|date=2004|title=Evolution vs. Creationism: An Introduction|publisher=University of California Press|isbn=0520246500}}</ref>


The arguments for evolution being a religion generally amount to arguments by ]: it is argued that evolution and religion have one or more things in common, and that therefore evolution is a religion. Examples of claims made in such arguments are statements that evolution is based on ],<ref name=icr-morris /> and that supporters of evolution ]tically reject alternative suggestions out-of-hand.<ref>{{cite journal |last=Wiker |first=Benjamin D. |author-link=Benjamin Wiker |date=July–August 2003 |title=Part II: The Christian Critics — Does Science Point to God? |url=http://www.crisismagazine.com/2003/part-ii-the-christian-critics-does-science-point-to-god |journal=Crisis Magazine |publisher=Morley Publishing Group |location=Washington, D.C. |access-date=2015-03-28}}</ref> These claims have become more popular in recent years as the neo-creationist movement has sought to distance itself from religion, thus giving it more reason to make use of a seemingly anti-religious analogy.<ref name="scott">{{harvnb|Scott|2005}}</ref>
In response, supporters of evolution have argued that no scientist's claims, including Darwin's, are treated as sacrosanct, as shown by the aspects of Darwinism that have been rejected or revised by scientists over the years, forming "]".<ref>Isaak, Mark (2004). "". ].</ref> The claim that evolution relies on faith, often based on the idea that ], is likewise rejected on the grounds that evolution has strong supporting evidence, and therefore does not require faith.


Supporters of evolution have argued in response that no scientist's claims are treated as sacrosanct, as shown by the aspects of Darwin's theory that have been rejected or revised by scientists over the years to form first ] and later the ].<ref>{{cite web |url=http://www.talkorigins.org/indexcc/CA/CA611.html |title=Index to Creationist Claims: Claim CA611: Evolution Sacrosanct? |date=February 15, 2004 |editor-last=Isaak |editor-first=Mark |website=TalkOrigins Archive |publisher=The TalkOrigins Foundation, Inc. |location=Houston, TX |access-date=2015-03-28}}</ref><ref>{{cite journal |last1=Kutschera |first1=Ulrich |author-link1=Ulrich Kutschera |last2=Niklas |first2=Karl J. |author-link2=Karl J. Niklas |date=June 2004 |title=The modern theory of biological evolution: an expanded synthesis |journal=] |volume=91 |issue=6 |pages=255–276 |bibcode=2004NW.....91..255K |doi=10.1007/s00114-004-0515-y |issn=1432-1904 |pmid=15241603|s2cid=10731711 }}</ref> The claim that evolution relies on faith is likewise rejected on the grounds that evolution has strong supporting evidence, and therefore does not require faith.
In general, the argument that evolution is religious has been rejected on the grounds that '']'' is not defined by how dogmatic, closed-minded, or zealous its adherents are, but by its spiritual or supernatural beliefs. In addition to disputing the idea that evolution is dogmatic or based on faith, thus, supporters of evolution accuse creationists of ] between the strict definition of ''religion'' and its colloquial usage to refer to anything that is enthusiastically or dogmatically engaged in. U.S. courts have also rejected this objection:


<blockquote>Assuming for the purposes of argument, however, that evolution is a religion or religious tenet, the remedy is to stop the teaching of evolution, not establish another religion in opposition to it. Yet it is clearly established in the case law, and perhaps also in common sense, that evolution is not a religion and that teaching evolution does not violate the Establishment Clause.<ref>{{cite court|litigants=McLean v Arkansas Board of Education|vol=529|reporter=F.Supp.|opinion=1255|court=US District Court|date=1982|url=http://www.talkorigins.org/faqs/mclean-v-arkansas.html}}</ref></blockquote> The argument that evolution is religious has been rejected in general on the grounds that ''religion'' is not defined by how dogmatic or zealous its adherents are, but by its spiritual or supernatural beliefs. But evolution is neither dogmatic nor based on faith, and they accuse creationists of ] between the strict definition of ''religion'' and its colloquial usage to refer to anything that is enthusiastically or dogmatically engaged in. United States courts have also rejected this objection:<ref>{{cite court |litigants=McLean v. Arkansas|McLean v. Arkansas Board of Education |vol=529 |reporter=F. Supp. |opinion=1255 |court=E.D. Ark. |year=1982 |url=http://www.talkorigins.org/faqs/mclean-v-arkansas.html}}</ref>


<blockquote>Assuming for the purposes of argument, however, that evolution is a religion or religious tenet, the remedy is to stop the teaching of evolution, not establish another religion in opposition to it. Yet it is clearly established in the case law, and perhaps also in common sense, that evolution is not a religion and that teaching evolution does not violate the Establishment Clause, ], supra, ], No. 15574-75 (D.D.C. May 18, 1973); aff'd. 504 F.2d 271 (D.C. Cir. 1974), cert. denied, 420 U.S. 924 (1975); ], 366 F. Supp. 1208 (S.D. Tex 1978), aff.d. 486 F.2d 137 (5th Cir. 1973), cert. denied 417 U.S. 969 (1974).</blockquote>
A related claim is that ]; creationists sometimes merge the two claims and describe evolution as an "atheistic religion" (cf. ]).<ref name="notscience"/> This argument against evolution is also frequently generalized into a criticism of all science; it is argued that "science is an atheistic religion", on the grounds that its ] is as unproven, and thus as "faith-based", as the ] and theistic beliefs of creationism.<ref>{{cite web|last=Cline|first=A|date=2006|url=http://atheism.about.com/od/atheismscienceevolution/a/ScienceFaith.htm|title=Myth: Science is a Religion for Atheists that Requires Faith|publisher=about.com|accessdate=2007-03-25}}</ref>


A related claim is that evolution is ] (see the ] section below); creationists sometimes merge the two claims and describe evolution as an "atheistic religion" (cf. ]).<ref name="notscience" /> This argument against evolution is also frequently generalized into a criticism of all science; it is argued that "science is an atheistic religion", on the grounds that its ] is as unproven, and thus as "faith-based", as the supernatural and theistic beliefs of creationism.<ref>{{cite web |url=http://atheism.about.com/od/atheismscienceevolution/a/ScienceFaith.htm |title=Myth: Science is a Religion for Atheists that Requires Faith |last=Cline |first=Austin |year=2006 |website=] |publisher=] |location=New York |access-date=2007-03-25 |archive-date=2011-04-29 |archive-url=https://web.archive.org/web/20110429013934/http://atheism.about.com/od/atheismscienceevolution/a/ScienceFaith.htm |url-status=dead }}</ref>
===Evolution is unfalsifiable===
A statement is considered ] if there is an observation or a test that could be made that would demonstrate that the statement is false. Supporters of evolution consider it falsifiable because it makes many predictions which, if they were contradicted by the evidence, would falsify evolution. In contrast, many supernatural explanations of the origin of life are not considered falsifiable by the scientific community, because no testable prediction has been made about the ].<ref>{{cite web|last=Wilkins|first=JS|date=1997|title=Evolution and Philosophy:Is Evolution Science, and What Does 'Science' Mean?|url=http://www.talkorigins.org/faqs/evolphil/falsify.html|publisher=|accessdate=2007-03-25}}</ref>


===Unfalsifiability{{anchor|Evolution is unfalsifiable}}===
Many creationists (for example ]<ref>''Scientific Creationism'', ], 1974 Master Books, ], pp. 6-7</ref>) have claimed that evolution is unfalsifiable.
A statement is considered ] if there is an observation or a test that could be made that would demonstrate that the statement is false. Statements that are not falsifiable cannot be examined by scientific investigation since they permit no tests that evaluate their accuracy. Creationists such as ] have claimed that any observation can be fitted into the evolutionary framework, so it is impossible to demonstrate that evolution is wrong and therefore evolution is non-scientific.<ref name="CA211">{{cite web |url=http://www.talkorigins.org/indexcc/CA/CA211.html |title=Index to Creationist Claims: Claim CA211: Evolution falsifiable |date=March 3, 2004 |editor-last=Isaak |editor-first=Mark |website=TalkOrigins Archive |publisher=The TalkOrigins Foundation, Inc. |location=Houston, TX |access-date=2008-04-20}}</ref><ref>{{harvnb|Morris|1974|pp=6–7}}</ref>
They claim that any fact can be fit into the evolutionary framework, and that therefore it is impossible to demonstrate evolution is wrong.<ref>, Mark Isaak, editor, Index to Creationist Claims, ], Copyright © 2006</ref> Supporters of evolution argue it is not in fact unfalsifiable, but it may appear to be so because it is so widely confirmed, and so foundational, that the likelihood of any evidence disproving it wholesale (as opposed to merely refining it) has become increasingly improbable and difficult to the point of virtual impossibility - as is the case with theories such as ].


Evolution could be falsified by many conceivable lines of evidence, such as:
Others claim that past events of speciation are not observable and repeatable, and therefore evolution is not falsifiable. In 1976, Popper himself said that "Darwinism is not a testable scientific theory but a metaphysical research programme".<ref>{{cite book|last=Popper|first=K|date=1985|title=Unended Quest: An Intellectual Autobiography|publisher=Open Court|isbn=978-0087583436}}</ref> However, Popper later recanted, and offered a more nuanced view of its status:
* the ] showing no change over time,
* confirmation that mutations are prevented from accumulating in a population, or
* observations of organisms being created supernaturally or spontaneously.<ref name="CA211" />
], when asked what hypothetical evidence could disprove evolution, replied "]."<ref>{{harvnb|Ridley|2004}}</ref><ref>{{cite magazine|last=Wallis|first=Claudia|date=August 7, 2005|title=The Evolution Wars|url=http://content.time.com/time/magazine/article/0,9171,1090909-1,00.html|magazine=]|volume=166|issue=7|pages=26–30, 32, 34–5|pmid=16116981|access-date=2015-03-30|archive-date=2023-01-08|archive-url=https://web.archive.org/web/20230108114315/https://content.time.com/time/magazine/article/0,9171,1090909-1,00.html|url-status=dead}}</ref> Numerous other potential ways to falsify evolution have also been proposed.<ref name="Theobald" /> For example, the fact that humans have one fewer pair of chromosomes than the ] offered a testable hypothesis involving the fusion or splitting of chromosomes from a common ancestor. The fusion hypothesis was confirmed in 2005 by discovery that ] is homologous with a fusion of two chromosomes that remain separate in other ]s. Extra, inactive ]s and ]s remain on human chromosome 2 as a result of the fusion.<ref name="pbslearningmedia-2007-human-chromosome-2" /> The assertion of common descent could also have been disproven with the invention of ] methods. If true, human ] should be far more similar to chimpanzees and other great apes, than to other ]s. If not, then common descent is falsified. DNA analysis has shown that humans and chimpanzees share a large percentage of their DNA (between 95% and 99.4% depending on the measure).<ref>{{cite news|url=https://www.newscientist.com/article/dn3744-chimps-are-human-gene-study-implies.html|title=Chimps are human, gene study implies|last=Hecht|first=Jeff|date=May 19, 2003|work=]|access-date=2008-05-10|publisher=]|location=London|issn=0262-4079}}
* {{cite journal|last1=Wildman|first1=Derek E.|last2=Uddin|first2=Monica|author3=Guozhen Liu|last4=Grossman|first4=Lawrence I.|last5=Goodman|first5=Morris|author-link5=Morris Goodman (scientist)|display-authors=3|date=June 10, 2003|title=Implications of natural selection in shaping 99.4% nonsynonymous DNA identity between humans and chimpanzees: Enlarging genus ''Homo''|journal=Proc. Natl. Acad. Sci. U.S.A.|volume=100|issue=12|pages=7181–7188|doi=10.1073/pnas.1232172100|issn=0027-8424|pmc=165850|pmid=12766228|bibcode=2003PNAS..100.7181W|doi-access=free}}</ref> Also, the evolution of ]s and humans from a common ancestor predicts a (geologically) recent common ancestor. Numerous ]s have since been found.<ref name="talkorigins-faqs-foley" /> Hence, human evolution has passed several falsifiable tests.


Many of Darwin's ideas and assertions of fact have been falsified as evolutionary science has developed, but these amendments and falsifications have uniformly confirmed his central concepts.<ref>{{cite web|url=http://www.talkorigins.org/faqs/evolphil/falsify.html|title=Is Evolution Science, and What Does 'Science' Mean?|last=Wilkins|first=John S.|year=1997|work=Evolution and Philosophy|publisher=The TalkOrigins Foundation, Inc.|location=Houston, TX|access-date=2007-03-25}}</ref><ref>{{cite web|url=http://wasdarwinwrong.com/kortho13.htm#Wrong|title=In What Way Was Darwin Wrong?|last=Korthof|first=Gert|author-link=Gert Korthof|website=Towards The Third Evolutionary Synthesis|access-date=2011-11-26}}</ref> In contrast, creationist explanations involving the direct intervention of the supernatural in the physical world are not falsifiable, because any result of an experiment or investigation could be the unpredictable action of an omnipotent deity.<ref name="Expelled Exposed: Science & Religion">{{cite web|url=http://www.expelledexposed.com/the-truth/evolution|title=Why Expelled Flunks » Science & Religion|website=Expelled Exposed|publisher=National Center for Science Education|location=Oakland, CA|access-date=2015-03-29|archive-url=https://web.archive.org/web/20160813194325/http://www.expelledexposed.com/the-truth/evolution|archive-date=2016-08-13|url-status=dead}}</ref>
<blockquote>However, Darwin's own most important contribution to the theory of evolution, his theory of natural selection, is difficult to test. There are some tests, even some experimental tests; and in some cases, such as the famous phenomenon known as 'industrial ]', we can observe natural selection happening under our very eyes, as it were. Nevertheless, really severe tests of the theory of natural selection are hard to come by, much more so than tests of otherwise comparable theories in physics or chemistry.<ref name="popper">{{cite journal|last=Popper|first=K|date=1978|title=Natural selection and the emergence of mind|journal=Dialectica|issue=32|pages339-355}}</ref><ref> by John R. Cole quoting Popper: "I have changed my mind about the testability and logical status of the theory of natural selection, and I am glad to have the opportunity to make a recantation."</ref></blockquote>


In 1976, the philosopher ] said that "Darwinism is not a testable scientific theory but a metaphysical research programme."<ref>{{harvnb|Popper|1985}}</ref> He later changed his mind and argued that Darwin's "theory of natural selection is difficult to test" with respect to other areas of science.<ref name="popper">{{cite journal |last=Popper |first=Karl |author-link=Karl Popper |date=December 1978 |title=Natural Selection and the Emergence of Mind |journal=Dialectica |volume=32 |issue=3–4 |pages=339–355 |doi=10.1111/j.1746-8361.1978.tb01321.x |issn=1746-8361}}</ref><ref>{{cite journal |last=Cole |first=John R. |date=Fall 1981 |title=Misquoted Scientists Respond |url=http://ncse.com/cej/2/4/misquoted-scientists-respond |journal=Creation/Evolution |location=Buffalo, NY |publisher=National Center for Science Education |volume=2 |issue=4 |access-date=2015-03-29}} Quoting Popper: "I have changed my mind about the testability and logical status of the theory of natural selection, and I am glad to have the opportunity to make a recantation."</ref>
In response to this criticism of evolution, numerous examples of potential ways to falsify evolution have been proposed. ], when asked what hypothetical evidence could disprove evolution, replied "fossil rabbits in the ] era"<ref>{{cite book|title=Evolution, Third Edition|first=M|last=Ridley|publisher=Blackwell Publishing Limited|date=2003|isbn=978-1405103459}}</ref> (more recently, ] has made a similar observation).<ref>{{cite news|last=Wallis|first=C|title=The Evolution Wars|publisher=Time Magazine|date=2005|pages=32|url=http://www.time.com/time/archive/preview/0,10987,1090909,00.html|accessdate=2007-03-24}}</ref><ref>{{cite book | first = Richard | last = Dawkins | authorlink = Richard Dawkins | title = ] | publisher = Basic Books | year = 1995 | id = ISBN 0-465-06990-8 }} </ref><ref>{{cite book | first = Richard | last = Dawkins | authorlink = Richard Dawkins | title = ] | publisher = W. W. Norton & Company, Inc.|year = 1986|id = ISBN 0-393-31570-3 }}</ref> Numerous other potential ways to falsify evolution have also been proposed.<ref name="Theobald"/>


In his 1982 book, ''Abusing Science: The Case Against Creationism'', philosopher of science ] specifically addresses the "falsifiability" question by taking into account notable philosophical critiques of Popper by ] and ] and provides a definition of theory other than as a set of falsifiable statements.<ref>{{harvnb|Hempel|1965|}}
A related claim, also once used, but then abandoned, by Popper, is that ] is ].<ref name="popper"/> Specifically, it is often argued that the phrase "]" is a tautology, in that ] is defined as ability to survive and reproduce. However, this phrase was first used by ] in 1864, and has rarely been used by biologists since. Additionally, fitness is more accurately defined as the state of possessing traits that make survival more likely; this definition, unlike simple "survivability", avoids being trivially true.<ref>{{cite web|last=Wilkins|first=JS|date=1997|url=http://www.talkorigins.org/faqs/evolphil/tautology.html|title=Evolution and Philosophy: A Good Tautology is Hard to Find|publisher=|accessdate=2007-03-24}}</ref><ref name="aig">{{cite web|publisher=|date=2006|url=http://www.answersingenesis.org/Home/Area/faq/dont_use.asp|title=Arguments we think creationists should NOT use|accessdate=2007-03-24}}</ref><ref>See ] for a more thorough discussion.</ref>
* {{harvnb|Quine|1953}}</ref> As Kitcher points out, if one took a strictly Popperian view of "theory", observations of ] when it was first discovered in 1781 would have "falsified" ]'s ].{{how|date=August 2019}} Rather, people suggested that another planet influenced Uranus' orbit—and this prediction was indeed eventually confirmed. Kitcher agrees with Popper that "there is surely something right in the idea that a science can succeed only if it can fail."<ref>{{harvnb|Kitcher|1982|p=45}}</ref> But he insists that we view scientific theories as consisting of an "elaborate collection of statements", some of which are not falsifiable, and others—what he calls "auxiliary hypotheses", which are.


=== Tautological nature ===
Similarly, it is argued that evolutionary theory is ], in that evidence is interpreted as supporting evolution, but evolution is required to interpret the evidence. An example of this is the claim that geological ] are dated through the fossils they hold, but that fossils are in turn dated by the strata they are in.<ref name="morris"/> However, in most cases strata are not dated by their fossils, but by their position relative to other strata and by ], and many strata were dated before the theory of evolution was formulated.<ref>{{cite web|last=MacRae|first=A|date=1998|url=http://www.talkorigins.org/faqs/dating.html|title=Radiometric dating and the geological time scale: Circular reasoning or reliable tools|publisher=|accessdate=2007-03-24}}</ref>
A related claim to the supposed unfalsifiability of evolution is that natural selection is ].<ref name="popper" /> Specifically, it is often argued that the phrase "]" is a tautology, in that ] is defined as ability to survive and reproduce. This phrase was first used by ] in 1864 but is rarely used by biologists. Additionally, fitness is more accurately defined as the state of possessing traits that make survival more likely; this definition, unlike simple "survivability", avoids being trivially true.<ref>{{cite web |url=http://www.talkorigins.org/faqs/evolphil/tautology_org_ver.html |title=A Good Tautology is Hard to Find |last=Wilkins |first=John S. |year=1997 |work=Evolution and Philosophy |publisher=The TalkOrigins Foundation, Inc. |location=Houston, TX |access-date=2015-03-30}} Original version. Updated version .</ref><ref>See ] for a more thorough discussion.</ref>


Similarly, it is argued that evolutionary theory is ], in that evidence is interpreted as supporting evolution, but evolution is required to interpret the evidence. An example of this is the claim that geological ] are dated through the fossils they hold, but that fossils are in turn dated by the strata they are in.<ref name=icr-morris /> However, in most cases strata are not dated by their fossils, but by their position relative to other strata and by ], and most strata were dated before the theory of evolution was formulated.<ref>{{cite web |url=http://www.talkorigins.org/faqs/dating.html |title=Radiometric Dating and the Geological Time Scale: Circular Reasoning or Reliable Tools? |last=MacRae |first=Andrew |date=October 2, 1998 |website=TalkOrigins Archive |publisher=The TalkOrigins Foundation, Inc. |location=Houston, TX |access-date=2007-03-24}}</ref>
In his book, ''Abusing Science: The Case Against Creationism'', philosopher of science Philip Kitcher specifically addresses the "falsifiability" question by taking into account notable philosophical critiques of Popper by ] and ] that reject his definition of theory as a set of falsifiable statements is wrong <ref>Hempel. C.G. 1951 “Problems and Changes in the Empiricist Criterion of Meaning” in ''Aspects of Scientific Explanation''. Glencoe: the Free Press. Quine, W.V.O 1952 “Two Dogmas of Empiricism” reprinted in ''From a Logical Point of View''. Cambridge: Harvard University Press </ref>. As Kitcher points out, if one took a strictly Popperian view of “theory,” observations of Uranus when first discovered in 1781 would have “falsified” Newton’s celestial mechanics. Rather, people suggested that another planet influenced Uranus’ orbit – and this prediction was indeed eventually confirmed. Kitcher agrees with Popper that “there is surely something right in the idea that a science can succeed only if it can fail” <ref>Philip Kutcher 1982 ''Abusing Science: The Case Against Creationism.'' Page 45 Cambridge: The MIT Press</ref>. But he insists that we view scientific theories as consisting of an “elaborate collection of statements,” some of which are not falsifiable, and others – what he calls “auxiliary hypotheses,” which are.


==Evidence==
According to Kitcher, good scientific theories must have three features: (1) unity: “A science should be unified …. Good theories consist of just one problem-solving strategy, or a small family of problem-solving strategies, that can be applied to a wide range of problems” (1982: 47). (2) Fecundity: “A great scientific theory, like Newton’s, opens up new areas of research. …. Because a theory presents a new way of looking at the world, it can lead us to ask new questions, and so to embark on new and fruitful lines of inquiry …. Typically, a flourishing science is incomplete. At any time, it raised more questions than it can currently answer. But incompleteness is now vice. On the contrary, incompleteness is the mother of fecundity …. A good theory should be productive; it should raise new questions and presume that those questions can be answered without giving up its problem-solving strategies” (1982: 47-48). (3) auxiliary hypothesis that are independently testable: “An auxiliary hypothesis ought to be testable independently of the particular problem it is introduced to solve, independently of the theory it is designed to save” (1982: 46) (e.g. the evidence for the existence of Neptune is independent of the anomalies in Uranus’s orbit).
{{further|Evidence of common descent}}


Objections to the fact that evolution occurs tend to focus on specific interpretations about the evidence.
Like other definitions of theories, including Popper’s, Kitcher makes it clear that a good theory includes statements that have (in his terms) “observational consequences.” But, like the observation of irregularities in Uranus’s orbit, falsification is only one possible consequence of an observation. The production of new hypotheses is another possible – and equally important – observational consequence. Kitcher’s account of a good theory of course is based not only on his understanding of how physical sciences work. He is also taking into account the way the life sciences work.


===Lack of observation===
From Kitcher’s point of view, Darwinian theory not only meets the three conditions for a good scientific theory; it is without question an extraordinarily successful theory:
] such as the '']'' have been a fixture of the ] for almost 150 years.]]


A common claim of creationists is that evolution has never been observed.<ref>A report of this objecton has been recorded from the nineteenth century {{cite wikisource| title=The Development Hypothesis| last=Spencer| first=Herbert| author-link=Herbert Spencer| year=1852}}</ref><ref name="hovinddvd">{{cite AV media |people=] (Presenter) |year=2002 |orig-year=Original series published 1998 |title=The Dangers of Evolution |medium=DVD |location=Pensacola, FL |publisher=] |id=Creation Seminar Series, part 5 |oclc=57301209}}</ref> Challenges to such objections often come down to debates over how evolution is defined (see the ] section above). Under the conventional biological definition of ''evolution'', it is a simple matter to observe evolution occurring. Evolutionary processes, in the form of populations changing their genetic composition from generation to generation, have been observed in different scientific contexts, including the evolution of ], ], and ] in the laboratory,<ref name="Buckling">{{cite journal |last1=Buckling |first1=Angus |last2=Maclean |first2=R. Craig |last3=Brockhurst |first3=Michael A. |last4=Colegrave |first4=Nick |date=February 12, 2009 |title=The ''Beagle'' in a bottle |journal=Nature |volume=457 |issue=7231 |pages=824–829 |bibcode=2009Natur.457..824B |doi=10.1038/nature07892 |issn=0028-0836 |pmid=19212400|s2cid=205216404 }}</ref> and of ] in the field. Such studies on ], particularly those using ]s, are now providing important insights into how evolution occurs, especially in the case of ].<ref name="Buckling" /><ref name=naturepublishing-2003-elena />
:The heart of Darwinian evolutionary theory is a family of problem-solving strategies, related by their common employment of a particular style of historical narrative. A Darwinian history is a piece of reasoning of the following general form. The first step consists in a description of an ancestral population of organisms. The reasoning proceeds by tracing the modification of the population through subsequent generations, showing how characteristics were selected, inherited, and became prevalent. Reasoning like this can be used to answer a host of biological questions <ref>Philip Kutcher 1982 ''Abusing Science: The Case Against Creationism.'' Page 50 Cambridge: The MIT Press</ref>.


In response to such examples, creationists say there are two major subdivisions of evolution to be considered, ] and ], and it is questionable if macro-evolution has been physically observed to occur.<ref>{{cite web |url=http://tbsef.org/FAQ.htm#Is%20TBSEF%20against%20teaching%20evolution? |title=Questions frequently asked about the TBSEF: Is TBSEF against teaching evolution? |website=Texans for Better Science Education Foundation |location=Spring, TX |access-date=2015-03-31}}</ref><ref>{{cite web |url=http://www.talkorigins.org/faqs/kansas/kangaroo10.html |title=Kansas Evolution Hearings: Part 10 |website=TalkOrigins Archive |publisher=The TalkOrigins Foundation, Inc. |location=Houston, TX |type=Transcript |access-date=2015-03-31}}</ref> Most creationist organizations do not dispute the occurrence of short-term, relatively minor evolutionary changes, such as that observed even in ]. Rather, they dispute the occurrence of major evolutionary changes over long periods of time, which by definition cannot be directly observed, only inferred from microevolutionary processes and the traces of macroevolutionary ones.
:The same kind of story can be told again and again to answer all sorts of questions about all sorts of living things. Evolutionary theory is unified because so many diverse questions … can be addressed by advancing Darwinian histories. Moreover, these narratives constantly make claims that are subject to independent check <ref>Philip Kutcher 1982 ''Abusing Science: The Case Against Creationism.'' Page 52 Cambridge: The MIT Press</ref>.


As biologists define ''macroevolution'', both microevolution and macroevolution have been observed.<ref>{{cite web |url=http://www.talkorigins.org/indexcc/CB/CB901.html |title=Index to Creationist Claims: Claim CB901: No Macroevolution |date=April 16, 2004 |editor-last=Isaak |editor-first=Mark |website=TalkOrigins Archive |publisher=The TalkOrigins Foundation, Inc. |location=Houston, TX |access-date=2015-03-31 |quote=As biologists use the term, macroevolution means evolution at or above the species level. Speciation has been observed and documented.}} Published as {{harvnb|Isaak|2007|pp=87–88}}</ref><ref>{{harvnb|Dawkins|2010|pp=110–120}}</ref> ]s, for example, have been directly observed many times.<ref>{{cite web |url=http://www.talkorigins.org/faqs/faq-speciation.html#part5 |title=Observed Instances of Speciation |last=Boxhorn |first=Joseph |date=September 1, 1995 |website=TalkOrigins Archive |publisher=The TalkOrigins Foundation, Inc. |location=Houston, TX |access-date=2007-03-24}}</ref> Additionally, the modern evolutionary synthesis draws no distinction in the processes described by the theory of evolution when considering macroevolution and microevolution as the former is simply at the species level or above and the latter is below the species level.<ref name="Theobald" /><ref>{{cite web |url=http://www.talkorigins.org/faqs/macroevolution.html |title=Macroevolution: Its Definition, Philosophy and History |last=Wilkins |first=John S. |date=September 23, 2006 |website=TalkOrigins Archive |publisher=The TalkOrigins Foundation, Inc. |location=Houston, TX |access-date=2007-03-24}}</ref> An example of this is ].
:Darwin not only provided a scheme for unifying the diversity of life. He also gave a structure to our ignorance. After Darwin, it was important to resolve general issues about the presuppositions of Darwinian histories. The way in which biology should proceed had been made admirably plain, and it was clear that biologists had to tackle questions for which they had, as yet, no answers. <ref>Philip Kutcher 1982 ''Abusing Science: The Case Against Creationism.'' Page 52-53 Cambridge: The MIT Press</ref>.


Additionally, past macroevolution can be inferred from historical traces. Transitional fossils, for example, provide plausible links between several different groups of organisms, such as '']'' linking ]s and non-avian ]s,<ref>{{cite journal |last1=Mayr |first1=Gerald |author-link1=Gerald Mayr |last2=Pohl |first2=Burkhard |last3=Peters |first3=D. Stefan |s2cid=28611454 |date=December 2, 2005 |title=A well-preserved ''Archaeopteryx'' specimen with theropod features |journal=] |volume=310 |issue=5753 |pages=1483–1486 |bibcode=2005Sci...310.1483M |doi=10.1126/science.1120331 |issn=0036-8075 |pmid=16322455|url=http://doc.rero.ch/record/15488/files/PAL_E2876.pdf }}</ref> or the '']'' linking fish and limbed amphibians.<ref name=nature-2006-4-6-shubin-daeschler-jenkins /> Creationists dispute such examples, from asserting that such fossils are hoaxes or that they belong exclusively to one group or the other, to asserting that there should be far more evidence of obvious transitional species. Darwin himself found the paucity of transitional species to be one of the greatest weaknesses of his theory: <blockquote>Why then is not every geological formation and every stratum full of such intermediate links? Geology assuredly does not reveal any such finely graduated organic chain and this, perhaps, is the most obvious and gravest objection which can be urged against my theory. The explanation lies, as I believe, in the extreme imperfection of the geological record.</blockquote> Darwin appealed to the limited collections then available, the extreme lengths of time involved, and different rates of change with some living species differing very little from fossils of the ] period. In later editions he added "that the periods during which species have been undergoing modification, though very long as measured by years, have probably been short in comparison with the periods during which these same species remained without undergoing any change."<ref name="origin">{{harvnb|Darwin|1859|pp=}}
==Objections to evolution's evidence==
*{{harvnb|Darwin|1866|pp=}}</ref> The number of clear transitional fossils has increased enormously since Darwin's day, and this problem has been largely resolved with the advent of the theory of ], which predicts a primarily stable fossil record broken up by occasional major speciations.<ref name=talkorigins-1998-2-25-elsberry /><ref name=ugent-logica-1986-burian />
{{further|]}}


As more and more compelling direct evidence for inter-species and species-to-species evolution has been gathered, creationists have redefined their understanding of what amounts to "]", and have continued to insist that more dramatic demonstrations of evolution be experimentally produced.<ref>{{cite journal |last=Wieland |first=Carl |author-link=Carl Wieland |date=April 1991 |title=Variation, information and the created kind |url=http://creation.com/variation-information-and-the-created-kind |journal=Creation Ex Nihilo Technical Journal |publisher=Creation Ministries International |volume=5 |issue=1 |pages=42–47 |access-date=2007-03-24}}</ref> One version of this objection is "Were you there?", popularized by ] ]. It argues that because no one except God could directly observe events in the distant past, scientific claims are just speculation or "story-telling".<ref>{{cite journal |last=Ham |first=Ken |author-link=Ken Ham |year=1989 |title=Were You There? |url=http://www.icr.org/article/670/88/ |journal=Acts & Facts |location=El Cajon, CA |publisher=Institute for Creation Research |volume=18 |issue=10 |access-date=2015-04-01}}</ref><ref name=talkorigins-2004-5-10-isaak /> DNA sequences of the ]s of organisms allow an independent test of their predicted relationships, since species which diverged more recently will be more closely related genetically than species which are more distantly related; such ]s show a hierarchical organization within the ], as predicted by common descent.<ref name=aaas-1997-4-11-huelsenbeck-rannala /><ref name=naturepublishing-2005-5-delsuc-brinkman-philippe />
Objections to evolution's evidence tend to be more concrete and specific, often involving direct analysis of ]'s methods and claims.


In fields such as ] or ], where direct observation or laboratory experiments are difficult or impossible, the scientific method instead relies on observation and logical inference. In such fields, the test of falsifiability is satisfied when a theory is used to predict the results of new observations. When such observations contradict a theory's predictions, it may be revised or discarded if an alternative better explains the observed facts. For example, ] was replaced by ]'s theory of ] when the latter was observed to more precisely predict the orbit of ].<ref name="Ein1916">{{cite journal |last=Einstein |first=Albert |author-link=Albert Einstein |year=1916 |title=Die Grundlage der allgemeinen Relativitätstheorie |trans-title=The Foundation of the General Theory of Relativity |url=http://www.alberteinstein.info/gallery/gtext3.html |format=PDF |journal=] |language=de |volume='''354''' |issue=7 |pages=769–822 |doi=10.1002/andp.19163540702 |bibcode=1916AnP...354..769E |archive-url=https://web.archive.org/web/20060829045130/http://www.alberteinstein.info/gallery/gtext3.html <!--Added by H3llBot-->|archive-date=2006-08-29 |issn=0003-3804 |access-date=2006-09-03}}</ref>
===Evolution has never been observed===
] such as the '']'' have been a fixture of the ] for almost 150 years.]]


===Unreliable evidence===
A common claim of creationists is that evolution has never been observed.<ref name="hovinddvd">{{cite video|people =]|title =The Dangers of Evolution|medium =DVD|publisher =Creation Science Evangelism|location =USA|date =2006}}</ref> Challenges to such objections often come down to debates over ]. Under the conventional biological definition of ''evolution'', it is a simple matter to observe evolution occurring. Evolutionary processes, in the form of populations changing their genetic composition from generation to generation, have been observed in many different scientific contexts, including the evolution of fruit flies and bacteria in laboratory settings, and of ] in the field.
A related objection is that evolution is based on unreliable evidence, claiming that evolution is not even well-evidenced. Typically, this is either based on the argument that evolution's evidence is full of frauds and hoaxes, that current evidence for evolution is likely to be overturned as some past evidence has been, or that certain types of evidence are inconsistent and dubious.


Arguments against evolution's reliability are thus often based on analyzing the ] or the ] in general. Creationists point out that in the past, major ] have overturned theories that were at the time considered near-certain. They thus claim that current evolutionary theory is likely to undergo such a revolution in the future, on the basis that it is a "theory in crisis" for one reason or another.<ref>{{cite web |url=http://www.talkorigins.org/indexcc/CA/CA110.html |title=Index to Creationist Claims: Claim CA110: Evolution will soon be widely rejected |year=2004 |editor-last=Isaak |editor-first=Mark |website=TalkOrigins Archive |publisher=The TalkOrigins Foundation, Inc. |location=Houston, TX |access-date=2007-03-24}}</ref>
In response to such examples, many creationists specify that they are objecting only to ], not ] {{fact}}: most creationist organizations do not dispute the occurrence of short-term, relatively minor evolutionary changes, such as that observed even in ]. Rather, they dispute the occurrence of major evolutionary changes over long periods of time, which by definition cannot be directly observed, only inferred from microevolutionary processes and the traces of macroevolutionary ones.
]' 1892 copy of Ernst Haeckel's ], often attributed incorrectly to Haeckel<ref>{{cite journal |last1=Richardson |first1=Michael K. |last2=Keuck |first2=Gerhard |date=November 2002 |title=Haeckel's ABC of evolution and development |journal=Biological Reviews |volume=77 |issue=4 |pages=495–528 |doi=10.1017/S1464793102005948 |issn=1464-7931 |pmid=12475051|citeseerx=10.1.1.578.2749 |s2cid=23494485 }}</ref>]]
Critics of evolution commonly appeal to past scientific ]es such as the ] ]. It is argued that because scientists have been mistaken and deceived in the past about evidence for various aspects of evolution, the current evidence for evolution is likely to also be based on fraud and error. Much of the evidence for evolution has been accused of being fraudulent at various times, including ''Archaeopteryx'', ], and ]; these claims have been subsequently refuted.<ref name=archaeopteryx-1986-charig-greenaway-milner-walker-whybrow /><ref name=talkorigins-1997-12-15-nedin /><ref name="wells">{{harvnb|Wells|2000}}</ref><ref name=talkorigins-faqs-wells />


It has also been claimed that certain former pieces of evidence for evolution which are now considered out-of-date and erroneous, such as ]'s 19th-century comparative drawings of embryos, used to illustrate his ] (''"] recapitulates ]"''), were not merely errors but frauds.<ref name="CB701">{{cite web |url=http://www.talkorigins.org/indexcc/CB/CB701.html |title=Index to Creationist Claims: Claim CB701: Haeckel's embryo pictures |date=June 5, 2005 |editor-last=Isaak |editor-first=Mark |website=TalkOrigins Archive |publisher=The TalkOrigins Foundation, Inc. |location=Houston, TX |access-date=2010-06-07}}</ref> ] ] criticizes biology ]s by alleging that they continue to reproduce such evidence after it has been debunked.<ref name="wells" /> In response, the ] notes that none of the textbooks reviewed by Wells makes the claimed error, as Haeckel's drawings are shown in a historical context with discussion about why they are wrong, and the accurate modern drawings and photos used in the textbooks are misrepresented by Wells.<ref name="Icon4">{{cite web |url=http://ncse.com/creationism/analysis/icon-4-haeckels-embryos |title=Icon 4 — Haeckel's Embryos |last=Gishlick |first=Alan D. |date=November 23, 2006 |website=National Center for Science Education |location=Oakland, CA |access-date=2008-12-17}}</ref>
However, as biologists define ''macroevolution'', both microevolution and macroevolution have been observed. ]s, for example, have been directly observed many times, despite popular misconceptions to the contrary.<ref>{{cite web|url=http://www.talkorigins.org/faqs/faq-speciation.html#part5|title=Observed Instances of Speciation|publisher=Talk Origins Archive|first=Joseph|last=Boxhorn|date=1995|publisher=|accessdate=2007-03-24}}</ref> Additionally, ] draws little distinction between macroevolution and microevolution, considering the former to simply be the latter on a larger scale.<ref>{{cite web|last=Wilkins|first=J|date=2006|url=http://www.talkorigins.org/faqs/macroevolution.html|title=Macroevolution: Its Definition, Philosophy and History|publisher=|accessdate=2007-03-24}}</ref><ref name="Theobald"/>


===Unreliable chronology===
Additionally, the inferences from traces of past macroevolution are considered strong ones. ]s, for example, provide plausible links between several different groups of organisms{{fact}}, such as '']'' linking birds and dinosaurs, or the recently-discovered '']'' linking fish and amphibians. Creationists dispute such examples in a variety of ways, from asserting that such fossils are hoaxes or that they belong exclusively to one group or the other, to asserting that there should be far more evidence of obvious transitional species.<ref>{{cite web|last=Hunt|fist=K|date=1997|url=http://www.talkorigins.org/faqs/faq-transitional.html|title=Transitional Vertebrate Fossils FAQ|publisher=|accessdate=2007-03-24}}</ref> Darwin himself found the paucity of transitional species to be one of the greatest weaknesses of his theory: "Why is not every geological formation and every stratum full of such intermediate links? Geology assuredly does not reveal any such finely graduated organic chain, and this perhaps is the greatest objection which can be urged against my theory."<ref name="origin">{{cite book|authorlink=Charles Darwin|last=Darwin|first=C|date=1859|title=]|publisher=John Murray}}</ref> However, the number of clear transitional fossils has increased enormously since Darwin's day, and this problem has been largely resolved with the advent of the theory of ], which predicts a primarily stable fossil record broken up by occasional major speciations.<ref>{{cite web|last=Elsberry|first=WR|date=1998|url=http://www.talkorigins.org/origins/postmonth/feb98.html|title=Missing links still missing!|publisher=|accessdate=2007-03-24}}</ref>
]
Creationists claim that evolution relies on certain types of evidence that do not give reliable information about the past. For example, it is argued that ] technique of evaluating a material's age based on the ] rates of certain ]s generates inconsistent and thus unreliable results. ] based on the ] isotope has been particularly criticized. It is argued that radiometric decay relies on a number of unwarranted assumptions such as the principle of ], consistent decay rates, or rocks acting as ]s. Such arguments have been dismissed by scientists on the grounds that independent methods have confirmed the reliability of radiometric dating as a whole; additionally, different radiometric dating methods and techniques have independently confirmed each other's results.<ref>{{cite web |url=http://www.talkorigins.org/indexcc/CD/CD010.html |title=Index to Creationist Claims: Claim CD010: Radiometric Dating |year=2004 |editor-last=Isaak |editor-first=Mark |website=TalkOrigins Archive |publisher=The TalkOrigins Foundation, Inc. |location=Houston, TX |access-date=2007-03-24}}</ref>


Another form of this objection is that fossil evidence is not reliable. This is based on a much wider range of claims. These include that there are too many "gaps" in the fossil record,<ref>{{cite web |url=http://www.talkorigins.org/indexcc/CC/CC200.html |title=Index to Creationist Claims: Claim CC200: Transitional fossils |date=November 5, 2006 |editor-last=Isaak |editor-first=Mark |website=TalkOrigins Archive |publisher=The TalkOrigins Foundation, Inc. |location=Houston, TX |access-date=2008-07-13}}</ref><ref>{{cite web |url=http://www.talkorigins.org/indexcc/CC/CC200_1.html |title=Index to Creationist Claims: Claim CC200.1: Transitional fossil abundance |date=January 29, 2004 |editor-last=Isaak |editor-first=Mark |website=TalkOrigins Archive |publisher=The TalkOrigins Foundation, Inc. |location=Houston, TX |access-date=2008-07-13}}</ref> that fossil-dating is circular (see the ] section above), or that certain fossils, such as ]s, are seemingly "out of place". Examination by geologists have found polystrate fossils to be consistent with ''in situ'' formation.<ref>{{cite web |url=http://www.talkorigins.org/indexcc/CC/CC340.html |title=Index to Creationist Claims: Claim CC340: Out-of-place fossils |date=March 22, 2004 |editor-last=Isaak |editor-first=Mark |website=TalkOrigins Archive |publisher=The TalkOrigins Foundation, Inc. |location=Houston, TX |access-date=2008-07-13}}</ref> It is argued that certain features of evolution support creationism's ] (cf. ]), rather than evolution's ] ],<ref>{{cite web |url=http://www.talkorigins.org/indexcc/CC/CC363.html |title=Index to Creationist Claims: Claim CC363: Requirements for fossilization |date=July 23, 2003 |editor-last=Isaak |editor-first=Mark |website=TalkOrigins Archive |publisher=The TalkOrigins Foundation, Inc. |location=Houston, TX |access-date=2007-03-24}}</ref> which some assert is an ''ad hoc'' theory to explain the fossil gaps.<ref name=talkorigins-2004-3-17-isaak />
Creationists counter that even observed speciations and transitional fossils are insufficient evidence for the vast changes summarized by such phrases as "fish to philosophers" or "particles to people".<ref>{{cite web|url=http://www.answersingenesis.org/docs2004/0806faithful.asp|title=A faithful man takes on faith-based teaching|publisher=|accessdate=2007-03-24}}</ref> As more and more compelling direct evidence for inter-species and species-to-species evolution has been gathered, creationists have redefined their understanding of what amounts to a "]", and have continued to insist that more dramatic demonstrations of evolution be experimentally produced.<ref>{{Cite journal|last=Wieland|first=C|date=1991|url=http://www.answersingenesis.org/tj/v5/i1/kind.asp|title=Variation, information and the created kind|journal=Journal of Creation|volume=5|issue=1|pages=42-47|accessdate=2007-03-24}}</ref> One version of this objection is "Were you there?", popularized by ]. It argues that because no one except God could directly observe events in the distant past, scientific claims are just speculation or "story-telling".<ref>{{cite web|authorlink=Ken Ham|last=Ham|first=Ken|date=1989|url=http://www.icr.org/index.php?module=articles&action=view&ID=670|title=Were You There?|publisher=|accessdate=2007-03-24}}</ref><ref>{{cite web|last=Isaak|first=M|date=2005|url=http://www.talkorigins.org/indexcc/CA/CA221.html|title=Index to Creationist Claims, Claim CA221: Were you there?|publisher=|accessdate=2007-03-24}}</ref>


==Plausibility==
In fields such as astrophysics or meteorology, where direct observation or laboratory experiments are difficult or impossible, the scientific method instead relies on observation and logical inference. In such fields, the test of falsifiability is satisfied when a theory is used to predict the results of new observations. When such observations contradict a theory's predictions, it may be revised or discarded if an alternative better explains the observed facts. For example, Newton's theory of gravitation was replaced by Einstein's theory of General Relativity when the latter was observed to more precisely predict the orbit of ].<ref name = Ein1916> {{cite journal| last = Einstein| first = Albert| authorlink = Albert Einstein| coauthors = | title = The Foundation of the General Theory of Relativity| journal = Annalen der Physik| volume = 49 | issue = | pages = 769-822| date = ]| publisher = | url = http://www.alberteinstein.info/gallery/gtext3.html| format = ]| id = | accessdate = 2006-09-03 }}</ref>


===Improbability===
===Past evidence for evolution has been overturned===
{{further|Teleological argument|Watchmaker analogy|Evolutionary argument against naturalism|Haldane's dilemma}}
]'s ] are an example of debunked past evidence for evolution; many critics of evolution claim that modern demonstrations of evolution are similarly erroneous or fraudulent.]]
A common objection to evolution is that it is simply too unlikely for life, in its complexity and apparent "design", to have arisen "by chance". It is argued that the odds of life having arisen without a deliberate intelligence guiding it are so incredibly low that it is unreasonable ''not'' to infer an intelligent designer from the natural world, and specifically from the ].<ref>{{cite journal |last=Batten |first=Don |date=March 1995 |title=Cheating with chance |url=http://creation.com/cheating-with-chance |journal=Creation Ex Nihilo |publisher=Creation Ministries International |volume=17 |issue=2 |pages=14–15 |access-date=2009-12-06}}</ref> A more extreme version of this argument is that evolution cannot create complex structures (see the ] section below). The idea that it is simply too implausible for life to have evolved is often wrongly encapsulated with a quotation that the "probability of life originating on Earth is no greater than the chance that a hurricane, sweeping through a scrapyard, would have the luck to assemble a ]"—a claim attributed to ] ] and known as ].<ref>{{harvnb|Dawkins|2006|pp=}}</ref> Hoyle was a Darwinist, ] and ], but advocated the theory of ], in which abiogenesis begins in ] and primitive life on Earth is held to have arrived via natural dispersion.


Views superficially similar, but unrelated to Hoyle's, are thus invariably justified with arguments from analogy. The basic idea of this argument for a designer is the ], an argument for the ] based on the perceived order or purposefulness of the ]. A common way of using this as an objection to evolution is by appealing to the 18th-century philosopher William Paley's watchmaker analogy, which argues that certain natural phenomena are analogical to a watch (in that they are ordered, or complex, or purposeful), which means that, like a watch, they must have been designed by a "watchmaker"—an intelligent agent. This argument forms the core of intelligent design, a neo-creationist movement seeking to establish certain variants of the design argument as legitimate science, rather than as philosophy or ], and have them be taught alongside evolution.<ref name="SM07" /><ref name="scott" />
A related objection is that evolution is based on unreliable evidence. This objection goes further than the less substantial "evolution isn't proven" arguments, claiming that evolution isn't even well-evidenced. Typically, this is either based on the argument that evolution's evidence is full of frauds and hoaxes, that current evidence for evolution is likely to be overturned because some past evidence has been, or that certain types of evidence are inconsistent and dubious.
] such as ]'s ] of 1802 have long been popular objections to the theory:<ref name="chance">{{cite web |url=http://www.talkorigins.org/faqs/chance/chance.html |title=Evolution and Chance |last=Wilkins |first=John S. |date=April 17, 1997 |website=TalkOrigins Archive |publisher=The TalkOrigins Foundation, Inc. |location=Houston, TX |access-date=2015-04-02}} Version 2.1 Draft 1.</ref> Paley's book included a response to the proto-evolutionary ideas of ].]]
Supporters of evolution generally respond by arguing that this objection is simply an ], or ]: a certain explanation is seen as being ], and therefore an alternate, more intuitive explanation is appealed to instead. In actuality, evolution is not based on "chance", but on predictable chemical interactions: natural processes, rather than supernatural beings, are the "designer". Although the process involves some random elements, it is the non-random selection of survival-enhancing genes that drives the evolution of complex and ordered patterns. The fact that the results are ordered and seem "designed" is no more evidence for a supernatural intelligence than the appearance of complex non-living phenomena (e.g. ]).<ref>{{cite web |url=http://www.talkorigins.org/indexcc/CI/CI100.html |title=Index to Creationist Claims: Claim CI100: Intelligent Design |date=April 3, 2004 |editor-last=Isaak |editor-first=Mark |website=TalkOrigins Archive |publisher=The TalkOrigins Foundation, Inc. |location=Houston, TX |access-date=2015-04-02}}</ref> It is also argued that there is insufficient evidence to make statements about the plausibility or implausibility of abiogenesis, that certain structures demonstrate ], and that the implausibility of life evolving exactly as it did is no more evidence for an intelligence than the implausibility of a deck of cards being shuffled and dealt in a certain random order.<ref name="scott" /><ref name="chance" />


It has also been noted that arguments against some form of life arising "by chance" are really objections to nontheistic ], not to evolution. Indeed, arguments against "evolution" are based on the misconception that abiogenesis is a component of, or necessary precursor to, evolution. Similar objections sometimes conflate the Big Bang with evolution.<ref name=talkorigins-1993-1-22-moran-definition />
Arguments against evolution's reliability are thus often based on analyzing the ] or the ] in general. Creationists point out that in the past, major ] have overturned theories that were at the time considered near-certain. They thus claim that current evolutionary theory is likely to undergo such a revolution in the future, on the basis that it is a "]" for one reason or another.<ref>{{cite web|last=Isaak|first=M|date=2004|url=http://www.talkorigins.org/indexcc/CA/CA110.html|title=Index to Creationist Claims, Claim CA110: Evolution will soon be widely rejected.|publisher=|accessdate=2007-03-24}}</ref>


] and philosopher ], who believes evolution must have been guided if it occurred, has formalized and revised the improbability argument as the evolutionary argument against naturalism, which asserts that it is irrational to reject a supernatural, intelligent creator because the apparent probability of certain faculties evolving is so low. Specifically, Plantinga claims that evolution cannot account for the rise of reliable reasoning faculties. Plantinga argues that whereas a God would be expected to create beings with reliable reasoning faculties, evolution would be just as likely to lead to unreliable ones, meaning that if evolution is true, it is irrational to trust whatever reasoning one relies on to conclude that it is true.<ref>{{harvnb|Plantinga|1993}}</ref> This novel ] argument has been criticized similarly to other probabilistic design arguments. It has also been argued that rationality, if conducive to survival, is more likely to be selected for than irrationality, making the natural development of reliable cognitive faculties more likely than unreliable ones.<ref>{{cite journal |last1=Fitelson |first1=Branden |last2=Sober |first2=Elliott |author-link2=Elliott Sober |date=June 1998 |title=Plantinga's Probability Arguments Against Evolutionary Naturalism |url=http://fitelson.org/plant.pdf |journal=] |volume=79 |issue=2 |pages=115–129 |doi=10.1111/1468-0114.00053 |issn=0279-0750 |access-date=2007-03-24}}</ref><ref>{{cite web |url=http://www.talkorigins.org/indexcc/CA/CA120.html |title=Index to Creationist Claims: Claim CA120: Mind's fallibility |date=September 1, 2003 |editor-last=Isaak |editor-first=Mark |website=TalkOrigins Archive |publisher=The TalkOrigins Foundation, Inc. |location=Houston, TX |access-date=2007-03-24}}</ref>
Critics of evolution commonly appeal to past scientific ]es such as the ] ]. It is argued that because scientists have been mistaken and deceived in the past about evidence for various aspects of evolution, some or all of the current evidence for evolution is likely to also be based on fraud and error. Much of the evidence for evolution has been accused of being fraudulent at various times, including ''Archaeopteryx'', ], and ]; these claims have been subsequently refuted.<ref>{{cite web|last=Nedin|first=C|date=1997|url=http://www.talkorigins.org/faqs/archaeopteryx/forgery.html|title=On Archaeopteryx, Astronomers, and Forgery|publisher=|accessdate=2007-03-24}}</ref><ref name="wells">{{cite book|authorlink=Jonathan Wells (intelligent design advocate)|last=Wells|first=J|date=2002|title=Icons of Evolution|publisher=Regnery Publishing, Inc.|isbn=978-0895262004}}</ref><ref>{{cite web|url=http://www.talkorigins.org/faqs/wells/|title=Icons of Evolution FAQs|date=2006|publisher=|accessdate=2007-03-24}}</ref>


A related argument against evolution is that most mutations are harmful.<ref name="CB101">{{cite web |url=http://www.talkorigins.org/indexcc/CB/CB101.html |title=Index to Creationist Claims: Claim CB101: Most mutations harmful? |date=June 20, 2008 |editor-last=Isaak |editor-first=Mark |website=TalkOrigins Archive |publisher=The TalkOrigins Foundation, Inc. |location=Houston, TX |access-date=2010-05-30}}</ref> However, the vast majority of mutations are ], and the minority of mutations which are beneficial or harmful are often situational; a mutation that is harmful in one environment may be helpful in another.<ref>{{cite web |url=http://www.talkorigins.org/faqs/mutations.html |title=Are Mutations Harmful? |last=Harter |first=Richard |date=May 23, 1999 |website=TalkOrigins Archive |publisher=The TalkOrigins Foundation, Inc. |location=Houston, TX |access-date=2007-03-24}}</ref>
It has also been claimed that certain former pieces of evidence for evolution which are now considered out-of-date and erroneous, such as ]'s 19th-century ], were not merely errors but frauds; biology ]s have drawn significant criticism from both opponents and supporters of evolution for continuing to reproduce such evidence after it has been debunked.<ref name="wells"/>


===Unexplained aspects of the natural world===
===Evolution's evidence is unreliable or inconsistent===
{{See also|Argument from ignorance}}
Creationists claim that evolution relies on certain types of evidence that do not give reliable information about the past. It is argued, for example, that ], the technique of evaluating a material's age based on the ] rates of certain ]s, generates inconsistent, and thus unreliable, results. ], based on the ] isotope, has been particularly criticized. It is argued that radiometric decay relies on a number of unwarranted assumptions, such as the principle of ], consistent decay rates, or rocks acting as ]s. This argument has been scientifically dismissed on the grounds that a variety of independent methods have confirmed the reliability of radiometric dating as a whole; additionally, different radiometric dating methods and techniques have independently confirmed each other's results.<ref>{{cite web|last=Isaak|first=M|date=2004|url=http://www.talkorigins.org/indexcc/CD/CD010.html|title=Index to Creationist Claims, Claim CD010: Radiometric Dating|publisher=|accessdate=2007-03-24}}</ref>
]


In addition to complex structures and systems, among the phenomena that critics variously claim evolution cannot explain are ], ], ]s, ]s, ], ], ], ], ], religion, morality, and ] (see ]).<ref>{{cite journal |last=Johnson |first=Phillip E. |author-link=Phillip E. Johnson |date=October 1990 |title=Evolution as Dogma: The Establishment of Naturalism |url=http://www.firstthings.com/article/1990/10/002-evolution-as-dogma-the-establishment-of-naturalism |journal=] |issn=1047-5141 |access-date=2015-04-03}}</ref> Most of these, such as hominid intelligence, instinct, emotion, photosynthesis, language, and altruism, have been well-explained by evolution, while others remain mysterious, or only have preliminary explanations. No alternative explanation has been able to adequately explain the biological origin of these phenomena either.<ref name=talkorigins-2003-9-17-isaak />
Another form of this objection is that ] evidence is not reliable. This is based on a much wider range of claims. These include that there are too many "gaps" in the fossil record, that fossil-dating is cyclic (see ]), or that certain fossils, such as ]s, are seemingly "out of place". It is argued that certain features of evolution support creationism's ] (cf. ]), rather than evolution's ] ].<ref>{{cite web|last=Isaak|first=M|date=2004|url=http://www.talkorigins.org/indexcc/CC/CC363.html|title=Index to Creationist Claims, Claim CC363: Requirements for fossilization|publisher=|accessdate=2007-03-24}}</ref>


Creationists argue against evolution on the grounds that it cannot explain certain non-evolutionary processes, such as abiogenesis, the Big Bang, or the ]. In such instances, ''evolution'' is being ] to refer to the entire history of the universe, and it is argued that if one aspect of the universe is seemingly inexplicable, the entire body of scientific theories must be baseless. At this point, objections leave the arena of evolutionary biology and become general scientific or philosophical disputes.<ref>{{cite web |url=http://www.talkorigins.org/indexcc/CE/CE440.html |title=Index to Creationist Claims: Claim CE440: The origin of it all |date=September 25, 2004 |editor-last=Isaak |editor-first=Mark |website=TalkOrigins Archive |publisher=The TalkOrigins Foundation, Inc. |location=Houston, TX |access-date=2007-03-24}}</ref>
==Objections to evolution's plausibility==
Some of the oldest and most common objections to evolution dispute whether evolution can truly account for all the apparent complexity and order in the natural world. It is argued that evolution is too unlikely or otherwise lacking to account for various aspects of life, and therefore that an intelligence&mdash;God&mdash;must at the very least be appealed to for those specific features.


Astronomers Fred Hoyle and ] have argued in favor of cosmic ancestry,<ref>{{harvnb|Klyce|Wickramasinghe|2003}}</ref><ref>{{harvnb|Hoyle|Wickramasinghe|1982}}</ref><ref>{{harvnb|Hoyle|Wickramasinghe|1993}}</ref><ref>{{harvnb|Hoyle|1982}}</ref><ref>{{cite web |url=http://www.skeptictank.org/figlie.htm |title=Figures don't Lie but Creationists Figure |last=Grynspan |first=Alec |date=November 9, 1997 |website=The Skeptic Tank |publisher=Fredric L. Rice |location=San Clementa, CA |access-date=2015-04-04 |archive-url=https://web.archive.org/web/20160304092535/http://www.skeptictank.org/figlie.htm |archive-date=March 4, 2016 |url-status=dead }}</ref><ref name="121oC">{{cite conference |chapter=Growth and replication of red rain cells at 121°C and their red fluorescence |last1=Gangappa |first1=Rajkumar |last2=Wickramasinghe |first2=Chandra |author-link2=Chandra Wickramasinghe |last3=Wainwright |first3=Milton |author-link3=Milton Wainwright |last4=Kumar |first4=A. Santhosh |last5=Louis |first5=Godfrey |title=Instruments, Methods, and Missions for Astrobiology XIII |author-link5=Godfrey Louis |display-authors=3 |date=September 7, 2010 |conference=Instruments, Methods, and Missions for Astrobiology XIII |volume=7819 |publisher=] |editor1-last=Hoover |editor1-first=Richard B. |editor1-link=Richard B. Hoover |editor2-last=Levin |editor2-first=Gilbert V. |editor2-link=Gilbert Levin |editor3-last=Rozanov |editor3-first=Alexei Y. |display-editors = 3 |editor4-last=Davies |editor4-first=Paul C. W. |series=Proceedings of the SPIE |pages=78190N |location=Bellingham, WA |bibcode=2010SPIE.7819E..0NG |oclc=672026808 |doi=10.1117/12.876393 |arxiv=1008.4960 }} Conference held August 3–5, 2010, San Diego, CA.</ref> and against abiogenesis and evolution.<ref name="Archaeopteryx">{{harvnb|Hoyle|Wickramasinghe|1986|p=135}}</ref><ref>{{harvnb|Fry|2000}}</ref>
===Life is too unlikely to arise by chance===
{{further|], ], ]}}
] such as ]'s ] have been popular objections to the theory since Darwin's day.<ref name="chance">{{cite web|last=Wilkins|first=J|date=1997|url=http://www.talkorigins.org/faqs/chance/chance.html|title=Evolution and Chance|publisher=|accessdate=2007-03-24}}</ref>]]


==Impossibility==
An exceedingly prevalent objection to evolution is that it is simply too unlikely for life, in all its complexity and apparent "design", to have arisen "by chance". It is argued that the odds of life having arisen without a deliberate intelligence guiding it are so astronomically low that it is unreasonable to ''not'' infer an ] from the natural world, and specifically from the ].<ref>{{cite web|last=Battern|first=D|date=1995|url=http://www.answersingenesis.org/creation/v17/i2/chance.asp|title=Cheating with chance|publisher=|accessdate=2007-03-24}}</ref> A more extreme version of this argument is that ]. The idea that it is simply too implausible for life to have evolved on Earth is often encapsulated with a quotation that the "probability of life originating on earth is no greater than the chance that a hurricane sweeping through a scrap-yard would have the luck to assemble a ]" (a claim attributed to astrophysicist ] and known as ]<ref>http://www.talkorigins.org/faqs/abioprob/abioprob.html</ref>).
This class of objections is more radical than the above, claiming that a major aspect of evolution is not merely unscientific or implausible, but rather impossible, because it contradicts some other law of nature or is constrained in such a way that it cannot produce the biological diversity of the world.


===Creation of complex structures===
This view is thus invariably justified with arguments from ]. The basic idea of this argument for a designer is the ], an argument for the ] based on the perceived order or purposefulness of the universe. A common way of using this as an objection to evolution is by appealing to the 18th-century philosopher ]'s ], which argues that certain natural phenomena are analogical to a watch (in that they are ordered, or complex, or purposeful), which means that, like a watch, they must have been designed by a "watchmaker" &mdash; an intelligent agent. This argument forms the core of ], a neocreationist movement seeking to establish certain variants of the design argument as legitimate science, rather than as philosophy or ], and have them be taught alongside evolution.<ref name="scott"/>
{{further|Irreducible complexity}}
] has been invoked in ] and in ] to illustrate the concept of ]. Careful analysis shows that there are no major obstacles to a gradual ].]]


{{blockquote|
This objection is fundamentally an ], or argument from incredulity: a certain explanation is seen as being ], and therefore an alternate, more intuitive explanation is appealed to instead. Supporters of evolution generally respond by arguing that evolution is not based on "chance", but on predictable chemical interactions: natural processes, rather than supernatural beings, are the "designer". Although the process involves some random elements, it is the non-random selection of survival-enhancing genes that drives evolution along an ordered trajectory. The fact that the results are ordered and seem "designed" is no more evidence for a supernatural intelligence than the apparent design of ] is.<ref>http://www.thehoya.com/news/011306/news7.cfm</ref> It is also argued that there is insufficient evidence to make statements about the plausibility or implausibility of ], that certain structures demonstrate ], and that the implausibility of life evolving exactly as it did is no more evidence for an intelligence than the implausibility of a deck of cards being shuffled and dealt in a certain random order.<ref name="scott"/><ref name="chance"/>
Living things have fantastically intricate features—at the anatomical, cellular and molecular level— that could not function if they were any less complex or sophisticated. The only prudent conclusion is that they are the products of intelligent design, not evolution.| ], quoting '']'' editor ]<ref>{{harvnb|Sarfati|Matthews|2002}}
*{{cite web |url=http://creation.com/refuting-evolution-2-chapter-10-argument-irreducible-complexity#note |title=Refuting Evolution 2 – chapter 10: Argument: 'Irreducible complexity' |last1=Sarfati |first1=Jonathan |author-link1=Jonathan Sarfati |last2=Matthews |first2=Mike |website=Creation.com |publisher=Creation Ministries International |access-date=2015-04-05}}</ref><ref name=scientificamerican-2002-rennie /> }}
Modern evolutionary theory posits that all biological systems must have evolved incrementally, through a combination of natural selection and ]. Both Darwin and his early detractors recognized the potential problems that could arise for his theory of natural selection if the lineage of organs and other biological features could not be accounted for by gradual, step-by-step changes over successive generations; if all the intermediary stages between an initial organ and the organ it will become are not all improvements upon the original, it will be impossible for the later organ to develop by the process of natural selection alone. Complex organs such as the eye had been presented by William Paley as exemplifying the need for ], and anticipating early criticisms that the ] and other complex organs seemed impossible, Darwin noted that:<ref>{{harvnb|Darwin|1859|pp=186–187}}</ref>


<blockquote>eason tells me, that if numerous gradations from a perfect and complex eye to one very imperfect and simple, each grade being useful to its possessor, can be shown to exist; if further, the eye does vary ever so slightly, and the variations be inherited, which is certainly the case; and if any variation or modification in the organ be ever useful to an animal under changing conditions of life, then the difficulty of believing that a perfect and complex eye could be formed by natural selection, though insuperable by our imagination, can hardly be considered real.</blockquote>
It has also been noted that arguments against some form of life arising "by chance" are really objections to nontheistic abiogenesis, not to evolution. Indeed, many arguments against "evolution" are based on the misconception that abiogenesis is a component of, or necessary precursor to, evolution. Similar objections sometimes conflate the ] with evolution.<ref name="moran"/>


Similarly, ] and evolutionary biologist ] said on the topic of the evolution of the ] in an interview for the television program '']'':
Christian apologist and philosopher ], a supporter of intelligent design, has formalized and revised the improbability argument as the ], which asserts that it is irrational to reject a supernatural, intelligent creator because the apparent probability of certain faculties evolving is so low. Specifically, Plantinga claims that evolution ] the rise of reliable reasoning faculties. Plantinga argues that whereas a God would be expected to create beings with reliable reasoning faculties, evolution would be just as likely to lead to unreliable ones, meaning that if evolution is true, it is irrational to trust whatever reasoning one relies on to conclude that it is true.<ref>{{cite book|authorlink=Alvin Plantinga|last=Plantinga|first=A|date=1993|url=http://dx.doi.org/10.1093/0195078640.001.0001|title=Warrant and Proper Function|publisher=Oxford University Press|isbn=0-19-507864-0|access date=2007-03-24}}</ref> This novel ] argument has been criticized similarly to other probabilistic design arguments. It has also been argued that rationality, if conducive to survival, is more likely to be selected for than irrationality, making the natural development of reliable cognitive faculties more likely than unreliable ones.<ref>{{cite web|last=Fitelson|first=B|coauthors=Sober, E|date=1997|url=http://fitelson.org/plant.pdf|title=Plantinga's Probability Arguments Against Evolutionary Naturalism|accessdate=2007-03-24}}</ref><ref>{{cite web|last=Isaak|first=M|date=2005|url=http://www.talkorigins.org/indexcc/CA/CA120.html|title=Index to Creationist Claims, Claim CA120: Mind's fallibility|publisher=|accessdate=2007-03-24}}</ref>


<blockquote>
===Evolution does not explain certain human behaviors===
There's got to be a series of advantages all the way in the feather. If you can't think of one, then that's your problem not natural selection's problem... It's perfectly possible feathers began as fluffy extensions of reptilian scales to act as insulators... The earliest feathers might have been a different approach to hairiness among reptiles keeping warm.
It is frequently argued that a great weakness of evolutionary theory is that it does not, or cannot, explain a certain aspect of the natural world. Although there is broad agreement that certain aspects of life remain unexplained, some creationists go one step further and argue that evolution should be abandoned altogether because of the phenomena it doesn't explain. Many argue that an alternative explanation, such as ], can explain the things which evolution cannot. For example, ] has argued that current evolutionary theory can't account for ], particularly in microbiology. On this basis, Behe argues that such structures were "purposely arranged by an intelligent agent" (see ] and ]).<ref>{{cite news|authorlink=Michael Behe|last=Behe|first=MJ|date=1996|url=http://www.arn.org/docs/behe/mb_dm11496.htm|title=Darwin under the microscope|publisher=New York Times|date=]|page=25|accessdate=2007-03-24}}</ref>
</blockquote>


Creationist arguments have been made such as "What use is half an eye?" and "What use is half a wing?".<ref name="urlCB921.2: Half a wing">{{cite web |url=http://www.talkorigins.org/indexcc/CB/CB921_2.html |title=Index to Creationist Claims: Claim CB921.2: Half a wing |date=November 17, 2005 |editor-last=Isaak |editor-first=Mark |website=TalkOrigins Archive |publisher=The TalkOrigins Foundation, Inc. |location=Houston, TX |access-date=2010-06-07}}</ref> Research has confirmed that the natural ] and other intricate organs is entirely feasible.<ref name=Gehring2005>{{cite journal |last=Gehring |first=Walter J. |author-link=Walter Jakob Gehring |date=May–June 2005 |title=New Perspectives on Eye Development and the Evolution of Eyes and Photoreceptors |journal=] |volume=96 |issue=3 |pages=171–184 |doi=10.1093/jhered/esi027 |issn=0022-1503 |pmid=15653558|url=http://doc.rero.ch/record/303235/files/esi027.pdf |doi-access=free }}</ref><ref>{{cite web |url=http://www.corante.com/loom/archives/2005/02/15/eyes_part_one_opening_up_the_russian_doll.php |title=Eyes, Part One: Opening Up the Russian Doll |last=Zimmer |first=Carl |author-link=Carl Zimmer |date=February 15, 2005 |website=The Loom |location=Corante |type=Blog |access-date=2007-09-22 |url-status=dead |archive-url=https://web.archive.org/web/20071002123841/http://www.corante.com/loom/archives/2005/02/15/eyes_part_one_opening_up_the_russian_doll.php |archive-date=October 2, 2007 }}</ref> Creationist claims have persisted that such complexity evolving without a designer is inconceivable and this objection to evolution has been refined in recent years as the more sophisticated irreducible complexity argument of the intelligent design movement, formulated by Michael Behe.<ref name="SM07" /> ] ] has argued that current evolutionary theory cannot account for certain complex structures, particularly in microbiology. On this basis, Behe argues that such structures were "purposely arranged by an intelligent agent".<ref>{{cite news |last=Behe |first=Michael J. |author-link=Michael Behe |date=October 29, 1996 |title=Darwin Under the Microscope |url=http://www.arn.org/docs/behe/mb_dm11496.htm |newspaper=] |page=25 |access-date=2007-03-24|ref=none}}</ref>
In addition to complex structures and systems, among the many phenomena that critics variously claim evolution cannot explain are ], ], ]s, ]s, ], ], ], ], ], ], ], and ] (see ]).<ref>{{cite web|last=Johnson|first=P|date=1990|url=http://www.arn.org/docs/johnson/pjdogma1.htm|title=Evolution as dogma: The establishment of naturalism|accessdate=2007-03-24}}</ref> Some of these have, in fact, been well-explained by evolution, while others remain largely mysterious, or only have preliminary explanations. However, supporters of evolution contend that no alternative explanation has been able to adequately explain the biological origin of these phenomena either.


Irreducible complexity is the idea that certain biological systems cannot be broken down into their constituent parts and remain functional, and therefore that they could not have evolved naturally from less complex or complete systems. Whereas past arguments of this nature generally relied on macroscopic organs, Behe's primary examples of irreducible complexity have been cellular and biochemical in nature. He has argued that the components of systems such as the ], the ], and the ] are so complex and interdependent that they could not have evolved from simpler systems.<ref>{{harvnb|Behe|1996}}</ref>
In some cases, creationists argue against evolution on the grounds that it can't explain certain non-evolutionary processes, such as ], the ], or the ]. In such instances, ''evolution'' is being ] to refer to the entire history of the universe, and it is argued that if one aspect of the universe is seemingly inexplicable, the entire body of scientific theories must be baseless. At this point, objections leave the arena of evolutionary biology and become general scientific or philosophical disputes.<ref>{{cite web|last=Isaak|first=M|date=2004|url=http://www.talkorigins.org/indexcc/CE/CE440.html|title=Index to Creationist Claims, Claim CE440: The origin of it all|publisher=|accessdate=2007-03-24}}</ref>


{{anchor|Intelligent design falsification}}{{Blockquote|In fact, ''my argument for intelligent design is open to direct experimental rebuttal''. Here is a thought experiment that makes the point clear. In '']'' I claimed that the bacterial flagellum was irreducibly complex and so required deliberate intelligent design. The flip side of this claim is that the flagellum can't be produced by natural selection acting on random mutation, or any other unintelligent process. To falsify such a claim, a scientist could go into the laboratory, place a bacterial species lacking a flagellum under some selective pressure (for mobility, say), grow it for ten thousand generations, and see if a flagellum—or any equally complex system—was produced. If that happened, my claims would be neatly disproven.| Michael Behe<ref name="Behe">{{cite web |url=http://www.discovery.org/a/445 |title=Philosophical Objections to Intelligent Design: Response to Critics |last=Behe |first=Michael J. |date=July 31, 2000 |website=] |publisher=Discovery Institute |location=Seattle, WA |access-date=2015-04-05}}</ref>}}
==Objections to evolution's possibility==
This class of objections is more radical than the above, claiming that some major aspect of evolution is not merely unscientific or implausible, but rather impossible, because it contradicts some other law of nature or is constrained in such a way that it cannot produce the biological diversity of the world.


In the years since Behe proposed irreducible complexity, new developments and advances in biology such as an improved understanding of the ],<ref>{{cite journal |author1=Renyi Liu |last2=Ochman |first2=Howard |date=April 24, 2007 |title=Stepwise formation of the bacterial flagellar system |journal=Proc. Natl. Acad. Sci. U.S.A. |volume=104 |issue=17 |pages=7116–7121 |bibcode=2007PNAS..104.7116L |doi=10.1073/pnas.0700266104 |issn=0027-8424 |pmc=1852327 |pmid=17438286|doi-access=free }}</ref> have already undermined these arguments.<ref name="cb200">{{cite web |url=http://www.talkorigins.org/indexcc/CB/CB200.html |title=Index to Creationist Claims: Claim CB200: Irreducible complexity |date=July 19, 2007 |editor-last=Isaak |editor-first=Mark |website=TalkOrigins Archive |publisher=The TalkOrigins Foundation, Inc. |location=Houston, TX |access-date=2015-04-05|ref=none}}</ref><ref>{{cite journal |last=Ussery |first=David |date=March 1999 |title=''Darwin's Black Box: The Biochemical Challenge to Evolution'' by Michael J. Behe |url=http://www.cbs.dtu.dk/courses/genomics_course/BeheDBB.html |journal=BIOS |type=Book review |volume=70 |issue=1 |pages=40–45 |issn=0005-3155 |jstor=4608497 |access-date=2015-04-05}}</ref> The idea that seemingly irreducibly complex systems cannot evolve has been refuted through evolutionary mechanisms, such as ] (the adaptation of organs for entirely new functions)<ref>{{cite journal |last1=Aharoni |first1=Amir |last2=Gaidukov |first2=Leonid |last3=Khersonsky |first3=Olga |last4=Gould |first4=Stephen McQ |last5=Roodveldt |first5=Cintia |last6=Tawfik |first6=Dan S. |date=January 2005 |title=The 'evolvability' of promiscuous protein functions |journal=] |volume=37 |issue=1 |pages=73–76 |doi=10.1038/ng1482 |issn=1061-4036 |pmid=15568024 |s2cid=8245673 |display-authors=3}}</ref> and the use of "scaffolding", which are initially necessary features of a system that later degenerate when they are no longer required. Potential evolutionary pathways have been provided for all of the systems Behe used as examples of irreducible complexity.<ref name="cb200" /><ref>{{cite web |url=http://www.talkorigins.org/faqs/behe/review.html |title=Darwin's Black Box: Irreducible Complexity or Irreproducible Irreducibility? |last=Robison |first=Keith |date=December 11, 1996 |website=TalkOrigins Archive |publisher=The TalkOrigins Foundation, Inc. |location=Houston, TX |access-date=2015-04-05}}</ref><ref>{{cite journal |last=Claramonte Sanz |first=Vicente |year=2009 |title=La llama áurea de Darwin: respuestas de la bioquímica al diseño inteligente |trans-title=Darwin's golden flame: Responses of biochemistry to intelligent design |url=http://dialnet.unirioja.es/servlet/articulo?codigo=4229834 |journal=] |language=es |volume=28 |issue=2 |pages=173–188 |issn=0210-1602 |access-date=2015-04-05}}</ref>
===Evolution cannot create complex structures===
{{further|]}}
].]]


====Cambrian explosion complexity argument====
Darwinian evolution posits that all biological systems must have developed incrementally from functional simpler systems. Every stage in the development of, for example, a fin into a leg, must have been sufficiently beneficial to be ] for. Both Darwin and his early detractors recognized the potential problems that could arise for evolutionary theory if the lineage of organs and other biological features could not be accounted for by such gradual, step-by-step changes over successive generations; if all the intermediary stages between an initial organ and the organ it will become are not all improvements upon the original, it will be impossible for the later organ to develop. Anticipating early criticisms that the ] and other complex organs seemed impossible, Darwin noted that:
{{further|Cambrian explosion}}
The ] was the relatively rapid appearance around {{Ma|539}}<ref>{{cite web |title=Stratigraphic Chart 2022 |url=https://stratigraphy.org/ICSchart/ChronostratChart2022-02.pdf |publisher=International Stratigraphic Commission | date=February 2022 |access-date=25 April 2022}}</ref> of most major ] ] as demonstrated in the fossil record,<ref name="BerkeleyCambrian">{{cite web |url=http://www.ucmp.berkeley.edu/cambrian/cambrian.php |title=The Cambrian Period |last1=Waggoner |first1=Ben M. |last2=Collins |first2=Allen G. |last3=Hsu |first3=Karen |last4=Kang |first4=Myun |last5=Lavarias |first5=Amy |last6=Prabaker |first6=Kavitha |last7=Skaggs |first7=Cody |date=November 22, 1994 |editor1-last=Rieboldt |editor1-first=Sarah |editor2-last=Smith |editor2-first=Dave |website=Tour of geologic time |publisher=] |location=Berkeley, CA |type=Online exhibit |display-authors=2 |access-date=2015-04-05}}</ref> and many more phyla now extinct.{{refn|group=note|Counts vary, but typical is that 35 of the 40 extant phyla originated then, and up to 100 additional phyla that are now extinct.}}<ref>{{cite web |url=http://palaeo.gly.bris.ac.uk/Palaeofiles/Cambrian/timing/timing.html |title=Timing |last=Lane |first=Abby |date=January 20, 1999 |website=The Cambrian Explosion |publisher=] |location=Bristol, England |access-date=2015-04-05 |archive-url=https://web.archive.org/web/20180307031317/http://palaeo.gly.bris.ac.uk/Palaeofiles/Cambrian/timing/timing.html |archive-date=March 7, 2018 |url-status=dead |df=mdy-all }}</ref> This was accompanied by major diversification of other organisms.{{refn|group=note|This included at least animals, ] and ]s.<ref>{{harvnb|Butterfield|2001|pp=200–216}}</ref>}} Prior to the Cambrian explosion most organisms were simple, composed of individual cells occasionally organized into ]. Over the following 70 or 80 million years the rate of diversification accelerated by an ]{{refn|group=note|As defined in terms of the extinction and origination rate of species.<ref name="Butterfield2007">{{cite journal| last1 = Butterfield | first1 = N. J.| s2cid = 59436643| year = 2007| title = Macroevolution and macroecology through deep time| journal = Palaeontology| volume = 50| issue = 1| pages = 41–55| doi = 10.1111/j.1475-4983.2006.00613.x| bibcode = 2007Palgy..50...41B| doi-access = free}}</ref>}} and the diversity of life began to resemble that of today,<ref>{{cite journal |last1=Bambach |first1=Richard K. |last2=Bush |first2=Andrew M.|last3=Erwin |first3=Douglas H. |date=January 2007 |title=Autecology and the filling of Ecospace: Key metazoan radiations |journal=] |volume=50 |issue=1 |pages=1–22 |doi=10.1111/j.1475-4983.2006.00611.x |bibcode=2007Palgy..50....1B |issn=0031-0239|doi-access=free }}</ref><ref>{{cite journal |last1=Servais |first1=Thomas |last2=Harper |first2=David A. T. |author-link2=David Harper (palaeontologist) |author3=Jun Li |last4=Munnecke |first4=Axel |last5=Owen |first5=Alan W. |last6=Sheehan |first6=Peter M. |display-authors=3 |date=April–May 2009 |title=Understanding the Great Ordovician Biodiversification Event (GOBE): Influences of paleogeography, paleoclimate, or paleoecology? |url=https://www.geosociety.org/gsatoday/archive/19/4/pdf/i1052-5173-19-4-4.pdf |journal=GSA Today |volume=19 |issue=4–5 |pages=4–10 |doi=10.1130/GSATG37A.1 |bibcode=2009GSAT...19d...4S |issn=1052-5173 |access-date=2015-04-05|doi-access=free }}</ref> although they did not resemble the species of today.<ref name="BerkeleyCambrian" />


The basic problem with this is that natural selection calls for the slow accumulation of changes, where a new phylum would take longer than a new class which would take longer than a new order, which would take longer than a new family, which would take longer than a new genus would take longer than emergence of a new species <ref>{{harvnb|Fowler|2007|p=170}}</ref> but the apparent occurrence of high-level taxa without precedents is perhaps implying unusual evolutionary mechanisms.<ref>{{cite journal |last=Budd |first=Graham E. |author-link=Graham Budd |date=February 2003 |title=The Cambrian Fossil Record and the Origin of the Phyla |journal=] |volume=43 |issue=1 |pages=157–165 |doi=10.1093/icb/43.1.157 |issn=1540-7063 |pmid=21680420|doi-access=free }}</ref><ref>{{cite web |url=http://nimravid.wordpress.com/2008/03/21/cambrian-explosion-phyla/ |title=The Cambrian Explosion and the Appearance of Phyla |author=Nimravid |date=March 21, 2008 |website=Nimravid's Weblog |type=Blog |access-date=2014-07-12}}</ref>
<blockquote>eason tells me, that if numerous gradations from a perfect and complex eye to one very imperfect and simple, each grade being useful to its possessor, can be shown to exist; if further, the eye does vary ever so slightly, and the variations be inherited, which is certainly the case; and if any variation or modification in the organ be ever useful to an animal under changing conditions of life, then the difficulty of believing that a perfect and complex eye could be formed by natural selection, though insuperable by our imagination, can hardly be considered real.<ref name="origin"/></blockquote>


There is general consensus that many factors helped trigger the rise of new phyla,<ref>{{cite news |last=Ghose |first=Tia |date=September 19, 2013 |title=Evolutionary Big Bang Was Sparked By Multiple Events |url=http://www.livescience.com/39790-cambrian-explosion-had-multiple-causes.html |work=] |location=Salt Lake City, UT |publisher=] |access-date=2014-07-12}}</ref> but there is no generally accepted consensus about the combination and the Cambrian explosion continues to be an area of controversy and research over why so rapid, why at the phylum level, why so many phyla then and none since, and even if the apparent fossil record is accurate.<ref name=palaeontologyonline-2012-antcliffe /> Some recent advances suggest that there is no clearly definable "Cambrian Explosion" event in the fossil record, but rather that there was a progression of transitional radiations starting with the Ediacaran period and continuing at a similar rate into the Cambrian.<ref>{{cite journal | author1 = Wood, R. |author2 = Liu, A.G. |author3=Bowyer, F. |author4=Wilby, P.R. |author5 = Dunn, F.S. |author6= Kenchington, C.G. |author7 = Cuthill, J.F.H. |author8 = Mitchell, E.G. |author9 = Penny, A. | title=Integrated records of environmental change and evolution challenge the Cambrian Explosion | journal=Nature Ecology & Evolution | volume=3 | issue=4 | pages=528–538 | doi=10.1038/s41559-019-0821-6 | year=2019 |pmid = 30858589 |doi-access=free|bibcode = 2019NatEE...3..528W |hdl=20.500.11820/a4e98e0f-a350-40f6-9ee6-49d4f816835f |hdl-access=free }}</ref>
Similarly, Richard Dawkins said on the topic of the evolution of the ] in an interview for the television program ]:


An example of opinions involving the commonly cited rise in oxygen ] from biologist ] summarizes:<ref>{{cite web |url=http://freethoughtblogs.com/pharyngula/2013/04/13/more-lies-from-the-discovery-institute/ |title=More lies from the Discovery Institute |author=PZ Myers |author-link=PZ Myers |date=April 13, 2013 |website=] |type=Blog |access-date=2014-07-14}}</ref> "What it was<!--not a mistake--> was environmental changes, in particular the bioturbation revolution caused by the evolution of worms that released buried nutrients, and the steadily increasing ] content of the atmosphere that allowed those nutrients to fuel growth;<ref name="Knoll1999">{{cite journal |last1=Knoll |first1=Andrew H. |author-link1=Andrew H. Knoll |last2=Carroll |first2=Sean B. |s2cid=8908451 |author-link2=Sean B. Carroll |date=June 25, 1999 |title=Early Animal Evolution: Emerging Views from Comparative Biology and Geology |journal=Science |volume=284 |issue=5423 |pages=2129–2137 |doi=10.1126/science.284.5423.2129 |issn=0036-8075 |pmid=10381872}}</ref><ref name="Towe1970">{{cite journal |last=Towe |first=Kenneth M. |date=April 1, 1970 |title=Oxygen-Collagen Priority and the Early Metazoan Fossil Record |journal=Proc. Natl. Acad. Sci. U.S.A. |volume=65 |issue=4 |pages=781–788 |bibcode=1970PNAS...65..781T |doi=10.1073/pnas.65.4.781 |issn=0027-8424 |pmc=282983 |pmid=5266150|doi-access=free }}</ref><ref name="CatlingEtAl2005">{{cite journal |last1=Catling |first1=David C. |last2=Glein |first2=Christopher R. |last3=Zahnle |first3=Kevin J. |last4=McKay |first4=Christopher P. |s2cid=24861353 |author-link4=Christopher McKay |date=June 2005 |title=Why O<sub>2</sub> Is Required by Complex Life on Habitable Planets and the Concept of Planetary 'Oxygenation Time' |journal=] |volume=5 |issue=3 |pages=415–438 |bibcode=2005AsBio...5..415C |doi=10.1089/ast.2005.5.415 |issn=1531-1074 |pmid=15941384}}</ref> ecological competition, or a kind of arms race, that gave a distinct selective advantage to novelties that allowed species to occupy new niches; and the evolution of developmental mechanisms that enabled multicellular organisms to generate new morphotypes readily." The increase in molecular oxygen (O<sub>2</sub>) also may have allowed the formation of the protective ] (O<sub>3</sub>) that helps shield Earth from lethal UV radiation from the ].<ref>{{cite web |url=http://www.albany.edu/faculty/rgk/atm101/ozone.htm |title=Ozone |last=Keese |first=Bob |website=The Upper Atmosphere: A ATM 101 |publisher=] |location=Albany, NY |type=Lecture |access-date=2014-06-10}}</ref>
<blockquote>
There's got to be a series of advantages all the way in the feather. If you can't think of one, then that's your problem not natural selection's problem... It's perfectly possible feathers began as fluffy extensions of reptilian scales to act as insulators... The earliest feathers might have been a different approach to hairiness among reptiles keeping warm.
</blockquote>


===Creation of information===
Despite creationist arguments such as "What use is half an eye?" and "What use is half a wing?", subsequent research has confirmed that the natural evolution of such organs is entirely feasible.<ref name=Gehring2005>{{cite journal
{{further|Biosemiotics}}
| author = Gehring, W.J.
A recent objection of creationists to evolution is that evolutionary mechanisms such as ] cannot generate new information. Creationists such as ], ], and ] have attempted to use ] to dispute evolution. Dembski has argued that life demonstrates ], and proposed a law of conservation of information that extremely improbable "complex specified information" could be conveyed by natural means but never originated without an ]. Gitt asserted that information is an intrinsic characteristic of life and that an analysis demonstrates the mind and will of their Creator.<ref>{{cite journal |last=Gitt |first=Werner |author-link=Werner Gitt |date=August 1996 |title=Information, Science and Biology |url=http://creation.com/images/pdfs/tj/j10_2/j10_2_181-187.pdf |journal=Creation Ex Nihilo Technical Journal |publisher=Creation Ministries International |volume=10 |issue=2 |pages=181–187 |access-date=2015-04-06}}</ref>
| year = 2005
| title = New Perspectives on Eye Development and the Evolution of Eyes and Photoreceptors
| journal = Journal of Heredity
| volume = 96
| issue = 3
| pages = 171-184
| doi = 10.1093/jhered/esi027
}}</ref><ref>{{cite web |url=http://www.corante.com/loom/archives/2005/02/15/eyes_part_one_opening_up_the_russian_doll.php |title=Eyes, Part One: Opening Up the Russian Doll. The Loom: A blog about life, past and future |accessdate=2007-09-22 |format= |work=}}</ref> Creationist claims have persisted that such complexity evolving without a designer is inconceivable, however, and this objection to evolution has been refined in recent years as the more sophisticated ] argument of the ], formulated by biochemist ].


These claims have been widely rejected by the scientific community, which asserts that new information is regularly generated in evolution whenever a novel mutation or ] arises. Dramatic examples of entirely new and unique traits arising through mutation have been observed in recent years, such as the evolution of ] which developed new ]s to efficiently digest a material that never existed before the modern era.<ref>{{cite web |url=http://www.talkorigins.org/faqs/information/infotheory.html |title=Information Theory and Creationism |last1=Musgrave |first1=Ian |last2=Baldwin |first2=Rich |year=2005 |website=TalkOrigins Archive |publisher=The TalkOrigins Foundation, Inc. |location=Houston, TX |access-date=2007-03-24|display-authors=etal}}</ref><ref>{{cite web |url=http://www.nmsr.org/nylon.htm |title=Evolution and Information: The Nylon Bug |last=Thomas |first=Dave |author-link=Dave Thomas (skeptic) |publisher=] |location=Albuquerque, NM |access-date=2007-03-24}}</ref> There is no need to account for the creation of information when an organism is considered together with the environment it evolved in. The information in the genome forms a record of how it was possible to survive in a particular environment. The information is gathered from the environment through ], as mutating organisms either reproduce or fail.<ref>{{cite journal |last1=Bergstrom |first1=Carl T. |author-link=Carl Bergstrom |last2=Lachmann |first2=Michael |title=The fitness value of information |journal=Oikos (Copenhagen, Denmark) |year=2006 |volume=119 |issue=2 |pages=219–230 |doi=10.1111/j.1600-0706.2009.17781.x |pmid=25843980 |pmc=4384894 |arxiv=q-bio.PE/0510007 |bibcode=2005q.bio....10007B }}</ref>
Irreducible complexity is the idea that certain biological systems cannot be broken down into their consitutent parts and remain functional, and therefore that they could not have evolved naturally from less complex or complete systems. Whereas past arguments of this nature generally relied on macroscopic organs, Behe's primary examples of irreducible complexity has been cellular and biochemical in nature. He has argued that the components of systems such as the ], the ], and the bacterial ] are so complex and interdependent that they could not have evolved from simpler systems.<ref>{{cite book|authorlink=Michael Behe|last=Behe|first=MJ|date=1996|title=]: The Biochemical Challenge to Evolution|publisher=Free Press|isbn=978-0743290319}}</ref>


The concept of specified complexity is widely regarded as ] and has not been the basis for further independent work in ], in the theory of ], or in ].<ref>{{cite web |url=http://www.talkorigins.org/faqs/information/dembski.html |title=Information Theory and Creationism: William Dembski |author=Rich Baldwin |year=2005 |publisher=] |access-date=2010-05-10}}</ref><ref>Mark Perakh, (2005). ''''</ref><ref name="Rosenhouse"/>
In the recent years since Behe proposed irreducible complexity, new developments and advances in biology, such as an improved understanding of the ], have already undermined many of his arguments. The idea that seemingly irreducibly complex systems cannot evolve has been refuted through a variety of evolutionary mechanisms, such as ] (the adaptation of organs for entirely new functions) and the use of "scaffolding", initially necessary features of a system that later degenerate when they are no longer required. Additionally, potential evolutionary pathways have been provided for all of the systems Behe used as examples of irreducible complexity.<ref>{{cite web|last=Isaak|first=M|date=2005|url=http://www.talkorigins.org/indexcc/CB/CB200.html|title=Index to Creationist Claims, Claim CB200: Irreducible complexity|publisher=|accessdate=2007-03-24}}</ref><ref>{{cite web|last=Robison|first=K|date=1996|url=http://www.talkorigins.org/faqs/behe/review.html|title=Darwin's Black Box: Irreducible Complexity or Irreproducible Irreducibility?|publisher=|accessdate=2007-03-24}}</ref>


===Violation of the second law of thermodynamics===
===Evolution cannot create information===
{{further|], ]}} {{further|Entropy and life}}
] receives energy from the ], it is an open system. The ] applies only to isolated systems.]]


Another objection is that evolution violates the ].<ref>{{harvnb|Morris|1974|p=45}}: "Until evolutionists can not only speculate, but demonstrate, that there does exist in nature some vast program to direct the growth toward higher complexity of the marvelous organic space-time unity known as the terrestrial biosphere (not to mention that of the cosmos), as well as some remarkable global power converter to energize the growth through converted solar energy, the whole evolutionary idea is negated by the Second Law."</ref><ref>{{harvnb|Patterson|1984|pp=99–116}}: "Henry Morris, director of the Institute for Creation Research (ICR) has joined several other engineers to make thermodynamics a cornerstone of the creation-evolution controversy. For twenty years Morris has maintained that the second law of thermodynamics directly contradicts evolution. ... Is there, indeed, a paradox at all? The answer to this question is, quite simply – no! Morris and his colleagues have constructed a completely fallacious and deceptive argument."</ref> The law states that "the entropy of an isolated system not in equilibrium will tend to increase over time, approaching a maximum value at equilibrium". In other words, an isolated system's ] (a measure of the dispersal of energy in a physical system so that it is not available to do mechanical work) will tend to increase or stay the same, not decrease. Creationists argue that evolution violates this physical law by requiring an increase in order (i.e., a decrease in entropy).<ref name=icr-morris /><ref name=aig-thermodynamics-evolution />
Another new, and increasingly common, objection of creationists to evolution is that evolutionary mechanisms such as ] cannot generate new ]. Creationists such as ], ], and ] have attempted to use ] to dispute evolution. Dembski has argued that life demonstrates ], and that evolution without an ] cannot account for the generation of information that would be required to produce specified complexity. The Christian apologetics site ], for example, makes frequent appeals to concepts from information theory in its objections to evolution and affirmations of the ]:


The claims have been criticized for ignoring that the second law only applies to ]s. Organisms are ] as they constantly exchange energy and matter with their environment: for example animals eat food and excrete waste, and radiate and absorb heat. It is argued that the Sun-Earth-space system does not violate the second law because the enormous increase in entropy due to the Sun and Earth radiating into space dwarfs the local decrease in entropy caused by the existence and evolution of ] life.<ref name=talkorigins-2003-10-1-faq-misconceptions-isaak /><ref>{{cite web |url=http://physics.gmu.edu/~roerter/EvolutionEntropy.htm |title=Does Life On Earth Violate the Second Law of Thermodynamics? |last=Oerter |first=Robert N. |year=2006 |publisher=] |location=Fairfax, VA |access-date=2007-03-24}}</ref><ref name=ncse-creationism-laws-thermodynamics />
<blockquote>t should be clear that a rigorous application of the science of information is devastating to materialistic philosophy in the guise of evolution, and strongly supportive of Genesis creation.<ref>] (1996). ''''. ].</ref></blockquote>


Since the second law of thermodynamics has a precise mathematical definition, this argument can be analyzed quantitatively.<ref name="Styer">{{cite journal |last=Styer |first=Daniel F. |s2cid=122319803 |author-link=Daniel F. Styer |date=November 2008 |title=Entropy and evolution |journal=] |volume=76 |issue=11 |pages=1031–1033 |doi=10.1119/1.2973046 |issn=0002-9505|bibcode=2008AmJPh..76.1031S }}</ref><ref>{{cite journal |last=Bunn |first=Emory F. |date=October 2009 |title=Evolution and the Second Law of Thermodynamics |arxiv=0903.4603|journal=American Journal of Physics |volume=77 |issue=10 |pages=922–925 |doi=10.1119/1.3119513 |issn=0002-9505|bibcode=2009AmJPh..77..922B |s2cid=17088865 }}</ref> This was done by ] ], who concluded: "Quantitative estimates of the entropy involved in biological evolution demonstrate that there is no conflict between evolution and the second law of thermodynamics."<ref name="Styer" />
However, these claims have been widely rejected by the scientific community; new information is regularly generated in evolution, whenever a novel mutation or ] arises. Dramatic examples of entirely new, unique traits arising through mutation have been observed in recent years, such as the evolution of ], which developed new ]s to efficiently digest a material that never existed before the modern era.<ref>{{cite web|last=Musgrave|first=I|coauthors=Baldwin, R, ''et al''|date=2005|url=http://www.talkorigins.org/faqs/information/infotheory.html|title=Information Theory and Creationism|publisher=|accessdate=2007-03-24}}</ref><ref>{{cite web|last=Thomas|first=D|url=http://www.nmsr.org/nylon.htm|title=Evolution and Information: The Nylon Bug|publisher=New Mexicans for Science and Reason|accessdate=2007-03-24}}</ref> In fact, when an organism is considered together with the environment it evolved in, there is no need to account for the creation of information. The information in the genome forms a record of how it was possible to survive in a particular environment. It is not created, but rather gathered from the environment through research &ndash; by ], as mutating organisms either reproduce or fail.<ref>{{cite web|last=Bergstrom|first=CT|coauthors=Lachmann, M|title=The fitness value of information|date=2006|url=http://arxiv.org/pdf/q-bio.PE/0510007|accessdate=2007-03-24}}</ref>


In a published letter to the editor of ''The Mathematical Intelligencer'' titled "How anti-evolutionists abuse mathematics", ] ] stated:<ref name="Rosenhouse">{{cite journal |last=Rosenhouse |first=Jason |author-link=Jason Rosenhouse |date=Fall 2001 |title=How Anti-Evolutionists Abuse Mathematics |url=http://educ.jmu.edu/~rosenhjd/sewell.pdf |journal=] |type=Letter to the editor |volume=23 |issue=4 |pages=3–8 |issn=0343-6993 |access-date=2015-04-07 |doi=10.1007/bf03024593 |s2cid=189888286 }}
A related argument against evolution is that all or most mutations are harmful. However, in reality the vast majority of mutations are ], and the minority of mutations which are beneficial or harmful are purely situational; a mutation that is harmful in one environment may be helpful in another.<ref>{{cite web|last=Harter|first=R|date=1999|url=http://www.talkorigins.org/faqs/mutations.html|title=Are Mutations Harmful?|publisher=|accessdate=2007-03-24}}</ref>
*{{cite journal |last=Sewell |first=Granville |author-link=Granville Sewell |date=Fall 2000 |title=A Mathematician's View of Evolution |url=http://www.math.utep.edu/Faculty/sewell/articles/mathint.pdf |journal=The Mathematical Intelligencer |type=Opinion |volume=22 |issue=4 |pages=5–7 |issn=0343-6993 |access-date=2015-04-07 |doi=10.1007/bf03026759 |url-status=dead |archive-url=https://web.archive.org/web/20150412073505/http://www.math.utep.edu/Faculty/sewell/articles/mathint.pdf |archive-date=2015-04-12 }}</ref>
<blockquote>The fact is that natural forces routinely lead to local decreases in entropy. Water freezes into ice and fertilised eggs turn into babies. Plants use sunlight to convert carbon dioxide and water into sugar and oxygen, but not invoke divine intervention to explain the process ... thermodynamics offers nothing to dampen our confidence in Darwinism.</blockquote>


==Moral implications==
===Evolution violates the second law of thermodynamics===
Other common objections to evolution allege that evolution leads to objectionable results, such as ] and ]. It is argued that the teaching of evolution degrades values, undermines morals, and fosters ] or ]. These may be considered ] (a form of ]), as the potential ramifications of belief in evolutionary theory have nothing to do with its truth.
{{further|]}}


===Humans as animals===
Another objection is that evolution violates the ], which states that "the entropy of an isolated system not in equilibrium will tend to increase over time, approaching a maximum value at equilibrium". In other words, an ideal isolated system's ] (a measure of the dispersal of energy in a physical system so that it is not available to do mechanical work) will tend to increase or stay the same, not decrease. Creationists argue that evolution violates this ] by requiring a decrease in entropy, or disorder, over time.<ref name=crutch>{{cite journal|last=Lambert|first=F|url=http://www.entropysite.com/cracked_crutch.html|title=Disorder — A Cracked Crutch For Supporting Entropy Discussions|journal=Journal of Chemical Education|date=2002|volume=79|pages=187-192|accessdate=2007-03-24}}</ref>
In ], humans are animals,<ref>{{cite journal |last1=Goodman |first1=Morris |author-link1=Morris Goodman (scientist) |last2=Tagle |first2=Danilo A. |last3=Fitch |first3=David H. A. |last4=Bailey |first4=Wendy |last5=Czelusniak |first5=John |last6=Koop |first6=Ben F. |last7=Benson |first7=Philip |last8=Slightom |first8=Jerry L. |display-authors=3 |date=March 1990 |title=Primate evolution at the DNA level and a classification of hominoids |journal=] |volume=30 |issue=3 |pages=260–266 |doi=10.1007/BF02099995 |issn=0022-2844 |pmid=2109087|bibcode=1990JMolE..30..260G |s2cid=2112935 }}</ref><ref>{{cite web |url=http://animaldiversity.org/site/accounts/classification/Hominidae.html |title=Hominidae: Classification |last1=Myers |first1=Philip |last2=Espinosa |first2=R. |last3=Parr |first3=C. S. |last4=Jones |first4=T. |last5=Hammond |first5=G. S. |last6=Dewey |first6=T. A. |year=2015 |work=] |publisher=] |location=Ann Arbor, MI |display-authors=3 |access-date=2015-04-07}}</ref> a basic point which has been known for more than 2,000 years. Aristotle already described man as a political animal<ref>Politics, 1253a</ref> and ] defined man as a rational animal,<ref>Isagoge</ref> a definition accepted by the ] in the ]. The creationist J. Rendle-Short asserted in '']'' magazine that if people are taught evolution they can be expected to behave like animals:<ref>{{cite journal |last=Rendle-Short |first=Tyndale John |date=February 1980 |title=What should a Christian think about evolution? |url=http://creation.com/what-should-a-christian-think-about-evolution |journal=Ex Nihilo |publisher=Creation Ministries International |volume=3 |issue=1 |pages=15–17 |access-date=2015-04-07 |quote=9. Evolution lowers man from the 'image of God' to the level of an animal. Why then should he not behave as one, in his own life and towards others?}}</ref> since animals behave in all sorts of different ways, this is meaningless. In evolutionary terms, humans are able to acquire knowledge and change their behaviour to meet ], so humans behave in the manner of other humans.<ref name=talkorigins-2003-4-2-isaak />


===Social effects===
However, this claim ignores the fact that this law applies only to ]s. Organisms, in contrast, are open systems, as all organisms exchange energy and matter with their environment, and similarly the Earth receives energy from the Sun and emits energy back into space. Simple calculations show that the Sun-Earth-space system does not violate the second law, because the enormous increase in entropy due to the Sun and Earth radiating into space dwarfs the small decrease in entropy caused by the evolution of ] life.<ref name=Isaak/><ref>{{cite web|last=Oerter|first=RN|date=2006|url=http://physics.gmu.edu/~roerter/EvolutionEntropy.htm|title=Does Life On Earth Violate the Second Law of Thermodynamics?|accessdate=2007-03-24}}</ref>
{{further|Social effects of evolutionary theory}}
]<ref>{{cite news |author=<!--Staff writer(s); no by-line.--> |title=A Venerable Orang-utang |url=http://darwin-online.org.uk/content/frameset?viewtype=image&itemID=CUL-DAR141.5&pageseq=1 |newspaper=The Hornet |type=Editorial cartoon commentary |location=London |date=March 22, 1871 |access-date=2015-04-07 |quote=I have to apologize once more for the wild flights of my incorrigible artist. I told him most clearly and positively to draw me a life-like portrait of that profound philosopher, Mr. Darwin...}} — Original cartoon . From the collection of The Complete Work of Charles Darwin Online.</ref>]]
]'s book '']'' (1863) was the first devoted to ] and an early example of ].]]
In 1917, ] published ''Headquarters Nights: A Record of Conversations and Experiences at the Headquarters of the German Army in France and Belgium'', which asserted that German intellectuals were totally committed to might-makes-right due to "whole-hearted acceptance of the worst of Neo-Darwinism, the ''Allmacht'' of natural selection applied rigorously to human life and society and ''Kultur''."<ref>{{harvnb|Kellogg|1917|pp=}}</ref> This strongly influenced the politician ], who saw Darwinism as a moral threat to America and campaigned against evolutionary theory; his campaign culminated in the ], which effectively prevented teaching of evolution in most public schools until the 1960s.<ref name=pbs-evolution-library-scopes-trial />


], president of the ] in Louisville, Kentucky, wrote August 8, 2005, in ]'s ''Taking Issue'' essay series, that "Debates over education, abortion, environmentalism, homosexuality and a host of other issues are really debates about the origin — and thus the meaning — of human life. ...evolutionary theory stands at the base of ] and the rejection of traditional morality."<ref>{{cite news |last=Mohler |first=R. Albert Jr. |author-link=Albert Mohler |date=August 8, 2005 |title=The Origins of Life: An Evangelical Baptist View |url=https://www.npr.org/templates/story/story.php?storyId=4760816 |work=Taking Issue |type=Essay |location=Washington, D.C. |publisher=] |access-date=2007-03-24}} ''Taking Issue'' subject: Evolution and Religious Faith.</ref><ref>{{cite web |url=http://www.lwbc.co.uk/Genesis/results%20of%20believing%20evolution.htm |title=The Result of Believing Evolution |last=Hall |first=Gary J. |website=Living Word Bible Church United Kingdom |location=Liverpool, England |type=Lesson |access-date=2007-03-24}}</ref>
In a published letter to the editor of ''The Mathematical Intelligencer'' titled "How anti-evolutionists abuse mathematics", Jason Rosenhouse stated:
<blockquote>The fact is that natural forces routinely lead to decreases in entropy. Water freezes into ice and fertilised eggs turn into babies. Plants use sunlight to convert carbon dioxide and water into sugar and oxygen, but not invoke divine intervention to explain the process thermodynamics offers nothing to dampen our confidence in Darwinism.<ref>{{cite journal|url=http://www.math.jmu.edu/~rosenhjd/sewell.pdf|title=How Anti-Evolutionists Abuse Mathematics |date=2001|last=Rosenhouse|first=J|journal=The Mathematical Intelligencer|volume=23|issue=4|pages=3-8|accessdate=2007-03-26}}</ref></blockquote>


], engineering professor and founder of the ] and the ], claims that evolution was part of a ] religion that emerged after the ], was part of ]'s and ]'s philosophies, and was responsible for everything from war to pornography to the breakup of the nuclear family.<ref>{{harvnb|Morris|1989}}</ref> He has also claimed that perceived social ills like ], ], ], ], ], ]s, and ] are caused by a belief in evolution.<ref>{{harvnb|Morris|1982}}</ref>
==Objections to evolution's morality==
Other common objections to evolution allege that evolution ], including bad beliefs, behaviors, and events. It is argued that the teaching of evolution degrades values, undermines morals, and fosters ] or ]. All of these may be considered ], as the potential ramifications of belief in evolutionary theory have nothing to do with its objective empirical reality.


Pastor ] of The Center for Reclaiming America for Christ and Coral Ridge Ministries claims that Darwin was responsible for ]'s atrocities. In Kennedy's documentary and the accompanying pamphlet with the same title, ''Darwin's Deadly Legacy'', Kennedy states that "To put it simply, no Darwin, no Hitler." In his efforts to expose the "harmful effects that evolution is still having on our nation, our children, and our world," Kennedy also states that, "We have had 150 years of the theory of Darwinian evolution, and what has it brought us? Whether Darwin intended it or not, millions of deaths, the destruction of those deemed inferior, the devaluing of human life, increasing hopelessness."<ref>{{cite web |url=http://www.rightwingwatch.org/content/kennedy-evolution-blame-death-hopelessness-world |title=Kennedy: Evolution to Blame for Death, Hopelessness in World |date=August 17, 2006 |website=Right Wing Watch |publisher=] |location=Washington, D.C. |access-date=2015-04-08}}</ref><ref name="agape_press">{{cite news |last1=Martin |first1=Allie |last2=Parker |first2=Jenni |date=August 25, 2006 |title=TV Producer Defends Documentary Exposing Darwin-Hitler Link |url=http://headlines.agapepress.org/archive/8/252006b.asp |agency=Agape Press |archive-url=https://web.archive.org/web/20060830014156/http://headlines.agapepress.org/archive/8/252006b.asp |archive-date=2006-08-30 |access-date=2015-04-08}}</ref><ref name="ADLBlasts">{{cite press release |author=<!--Staff writer(s); no by-line.--> |title=ADL Blasts Christian Supremacist TV Special & Book Blaming Darwin For Hitler |url=http://archive.adl.org/nr/exeres/3e0340d2-b672-45c7-8ff1-10c9eed96f42,0b1623ca-d5a4-465d-a369-df6e8679cd9e,frameless.html |location=New York |publisher=] |date=August 22, 2006 |access-date=2015-04-08 |archive-url=https://web.archive.org/web/20160303225927/http://archive.adl.org/nr/exeres/3e0340d2-b672-45c7-8ff1-10c9eed96f42,0b1623ca-d5a4-465d-a369-df6e8679cd9e,frameless.html |archive-date=March 3, 2016 |url-status=dead |df=mdy-all }}</ref> The Discovery Institute's ] fellow ] has made similar claims,<ref>{{harvnb|Weikart|2004}}</ref><ref>{{cite news |last=Witt |first=Jonathan |date=December 15, 2006 |title=From Darwin to Hitler: A Pathway to Horror (Updated) |url=http://www.evolutionnews.org/2006/12/from_darwin_to_hitler_a_straig.html |work=Evolution News and Views |location=Seattle, WA |publisher=Discovery Institute |access-date=2015-04-08}}</ref> as have other creationists.<ref name=creation-1999-8-bergman /> The claim was central to the documentary film '']'' (2008) promoting intelligent design creationism. The ] describes such claims as outrageous misuse of ] and its imagery, and as trivializing the "...many complex factors that led to the mass extermination of European Jewry. Hitler did not need Darwin or evolution to devise his heinous plan to exterminate the Jewish people, and Darwin and evolutionary theory cannot explain Hitler's genocidal madness. Moreover, ] existed long before Darwin ever wrote a word."<ref name="ADLBlasts" /><ref name=adl-2008-4-29-misappropriation />
===Evolution says that humans are animals===
] as an ape reflects early objections to ].]]


Young Earth creationist ] blames a long list of social ills on evolution, including ], ], ], ], ], the Holocaust, ]'s war crimes, the ], ]'s ], the increase in crime and unwed mothers.<ref name="hovinddvd" /> Hovind's son Eric Hovind claims that evolution is responsible for tattoos, body piercing, premarital sex, unwed births, sexually transmitted diseases (STDs), divorce, and child abuse.<ref name=dakotavoice-2006-5-7-ellis />
As Darwin recognized early on, perhaps the most controversial aspect of evolutionary thought is ]. Specifically, many object to the idea that all diversity in life, including human beings, arose through ] processes without a need for supernatural intervention. Although many religions, such as ], have reconciled their beliefs with evolution through ], ] argue against evolution on the basis that it contradicts their theistic ]s.


Such accusations are counterfactual, and there is evidence that the opposite seems to be the case. A study published by the author and illustrator ] found that religious beliefs, including belief in creationism and disbelief in evolution, are positively correlated with social ills like crime.<ref name=creighton-2005-paul /> ] surveys find that Christians and non-Christians in the U.S. have similar divorce rates, and the highest divorce rates in the U.S. are among ] and ], both sects which reject evolution and embrace creationism.<ref name=barna-2004-09-08 />
Some argue that evolutionary ] "degrades" human beings by placing them on the same level as other animals, in contrast with past views of a ] in which humans are "above" animals.<ref>{{cite web|last=Isaak|first=M|date=2004|url=http://www.talkorigins.org/indexcc/CA/CA009.html|title=Claim CA009: Evolution teaches that people are animals. We should not be surprised when people who are taught evolution start behaving like animals|publisher=|accessdate=2007-03-24}}</ref>


] argued in ''Scientific American'' in October 2006 that evolution supports concepts like family values, avoiding lies, fidelity, moral codes and the rule of law.<ref name=michaelshermer-2006-10-shermer /> He goes on to suggest that evolution gives more support to the notion of an omnipotent creator, rather than a tinkerer with limitations based on a human model, the more common image subscribed to by creationists. Careful analysis of the creationist charges that evolution has led to moral relativism and the Holocaust yields the conclusion that these charges appear to be highly suspect.<ref name=tallahassee-2008-2-6-ruse /> Such analyses conclude that the origins of the Holocaust are more likely to be found in historical Christian antisemitism than in evolution.<ref name=talkorigins-2007-3-13-isaak /><ref name=talkreason-2007-08-24-avalos />
===Evolution leads to immorality and social ills===
{{further|]}}


Evolution has been used to justify ], the exploitation of so-called "lesser breeds without the law" by "superior races", particularly in the nineteenth century.<ref name=perry-chase-jacob-jacob /> Typically strong European nations that had successfully expanded their empires could be said to have "survived" in the struggle for dominance.<ref name=perry-chase-jacob-jacob /> With this attitude, Europeans except for ] rarely adopted any customs and languages of local people under their empires.<ref name=perry-chase-jacob-jacob /> Creationists have frequently maintained that Social Darwinism—leading to policies designed to reward the most competitive—is a ] of "Darwinism" (the theory of natural selection in biology).<ref name="Paul 220">Paul, Diane B. in {{cite book |author=Gregory Radick |url=https://books.google.com/books?id=X1InLet11j0C&pg=PA219 |title=The Cambridge Companion to Darwin |date=5 March 2009 |publisher=Cambridge University Press |isbn=978-0521711845 |pages=219–20 |quote=Like many foes of Darwinism, past and present, the American populist and creationist William Jennings Bryan thought a straight line ran from Darwin's theory ('a dogma of darkness and death') to beliefs that it is right for the strong to crowd out the weak.}}</ref> Biologists and historians have stated that this is a fallacy of ], since the theory of natural selection is merely intended as a description of a biological phenomenon and should not be taken to imply that this phenomenon is ''good'' or that it ought to be used as a moral guide in human society.<ref name="pinker">{{cite web |last=Sailer |first=Steve |date=30 October 2002 |title=Q&A: Steven Pinker of 'Blank Slate' |url=http://www.upi.com/Odd_News/2002/10/30/QA-Steven-Pinker-of-Blank-Slate/26021035991232/ |url-status=live |archive-url=https://web.archive.org/web/20151205074319/http://www.upi.com/Odd_News/2002/10/30/QA-Steven-Pinker-of-Blank-Slate/26021035991232/ |archive-date=5 December 2015 |access-date=5 December 2015 |website=]}}</ref>
It is claimed that many perceived social ills like crime, teen pregnancies, homosexuality, abortion, immorality, wars, etc. are caused by a belief in evolution.<ref>{{cite book|title=The Troubled Waters of Evolution|first=H|last=Morris|publisher=Master Books|date=1982|isbn=978-0890510872}}</ref> ], President of Southern Baptist Theological Seminary in Louisville, Kentucky, wrote August 8, 2005 in ]'s forum, "''Taking Issue''", that "Debates over education, abortion, environmentalism, homosexuality and a host of other issues are really debates about the origin &mdash; and thus the meaning &mdash; of human life.... Evolutionary theory stands at the base of moral relativism and the rejection of traditional morality".<ref>{{cite web|url=http://www.npr.org/templates/story/story.php?storyId=4760816|title=The Origins of Life: An Evangelical Baptist View|last=Mohler|first=RA|publisher=|date=2005|accessdate=2007-03-24}}</ref><ref>{{cite web|url=http://www.lwbc.co.uk/Genesis/results%20of%20believing%20evolution.htm|title=The Result of Believing Evolution|publisher= |accessdate=2007-03-24}}</ref> Creationist ] likens evolution to a horde of termites, weakening society's foundation. In ''Why Won't They Listen?'', Ham suggests that "evolutionary termites" are responsible for pornography, homosexual behavior and lawlessness. He also writes, "I'm not saying that evolution is the cause of abortion or school violence. What I'm saying is that the more a culture abandons God's word as the absolute authority, and the more a culture accepts an evolutionary philosophy, then the way people think, and their attitudes, will also change."<ref>{{cite book|authorlink=Ken Ham|last=Ham|first=K|url=http://www.answersingenesis.org/home/area/WWTL/index.asp|title=Why Won't They Listen? A Radical New Approach to Evangelism|publisher=Master Books|isbn=0890513783}}</ref> Former ] ] ] ] claimed that the ] were caused by the teaching of evolution. DeLay is quoted as stating that "Our school systems teach the children that they are nothing but glorified apes who are evolutionized out of some primordial soup."<ref name=Raymo>{{cite news|url=http://www.boston.com/globe/search/stories/reprints/darwin100199.htm|title=Darwin's Dangerous De-evolution|first=C|last=Raymo|publisher=Boston Globe|date=1999-09-06|accessdate=2007-03-24}}</ref> ], engineering professor and founder of the ] and the ], claims that evolution was part of a ] religion that emerged after the ], was part of ]'s and ]'s philosophies, and was responsible for everything from war to pornography to the breakup of the nuclear family.<ref>{{cite book|title=The Long War Against God: The History and Impact of the Creation/Evolution Conflict|first=HM|last=Morris|publisher=Baker Book House|date=1989|isbn=0-89051-291-4}}</ref>


===Atheism===
Rev. ] of The Center for Reclaiming America for Christ claims that Darwin was responsible for ]'s atrocities. In D. James Kennedy's documentary, and the accompanying pamphlet with the same title, ''Darwin’s Deadly Legacy'', Kennedy states that "To put it simply, no Darwin, no Hitler." In his efforts to expose the "harmful effects that evolution is still having on our nation, our children, and our world." Kennedy also states that, "We have had 150 years of the theory of Darwinian evolution, and what has it brought us? Whether Darwin intended it or not, millions of deaths, the destruction of those deemed inferior, the devaluing of human life, increasing hopelessness."<ref>{{cite web|url=http://www.reclaimamerica.org/pages/fastfacts/DarwinsLegacy.pdf|title=Darwin's Deadly Legacy|publisher=Center for Reclaiming America for Christ|accessdate=2007-03-24}}</ref><ref name=agape_press>{{cite web|url=http://headlines.agapepress.org/archive/8/252006b.asp|title=TV Producer Defends Documentary Exposing Darwin-Hitler Link|first=A|last=Martin|coauthors=Parker, J|publisher=|date=2006|accessdate=2007-03-24}}</ref> ] fellow ] has made similar claims,<ref>{{cite book|title=From Darwin to Hitler: Evolutionary Ethics, Eugenics, and Racism in Germany|first=R|last=Weikart|publisher=Palgrave Macmillan|date=2004|isbn=978-1403972019}}</ref><ref>, Jonathan Witt, Evolution News and Views, ], December 15, 2006.</ref> as have many others in the creationist community.<ref>This ] claim that is part of a ] (, ]) and is repeated over and over in creationist literature. For example:
{{further|Atheism}}
*, Jerry Bergman, CEN Technical Journal, 13(2):101–111, 1999.
Another charge leveled at evolutionary theory by creationists is that belief in evolution is either tantamount to atheism, or conducive to atheism.<ref>{{harvnb|Strobel|2004|p=}}: "In my quest to determine if contemporary science points toward or away from God, I knew I had to first examine the claims of evolution in order to conclude once and for all whether Darwinism creates a reasonable foundation for atheism. That's because if the materialism of Darwinian evolution is a fact, then the atheist conclusions I reached as a student might still be valid."</ref><ref name=arn-johnson /> It is commonly claimed that all proponents of evolutionary theory are "materialistic atheists". On the other hand, Davis A. Young argues that creation science ''itself'' is harmful to Christianity because its bad science will turn more away than it recruits. Young asks, "Can we seriously expect non-Christians to develop a respect for Christianity if we insist on teaching the brand of science that creationism brings with it?"<ref>{{harvnb|Young|1988}}</ref> However, evolution neither requires nor rules out the existence of a supernatural being. Philosopher ] makes the comparison that evolution is no more atheistic than ].<ref>{{harvnb|Pennock|1999}}</ref> ], professor of biology at ], notes that:
*, ], Creation 22(1):4, December 1999.
*, ], ], 2004.</ref> ] of Creation Research Evangelism blames the ], ], the ], ], ]'s war crimes, ], ], ] and ]'s ] on evolution, as well as the increase in crime, unwed mothers, and other social ills.<ref name="hovinddvd"/> Kent Hovind's son ] has now taken over the family business while his father is in prison, and claims that evolution is responsible for tattoos, body piercing, premarital sex, unwed births, sexually transmitted diseases (STDs), divorce and child abuse.<ref>, Bob Ellis, Dakota Voice, 5/7/2006</ref>


{{blockquote|
Supporters of evolution dismiss such criticisms as counterfactual, and some argue that the opposite seems to be the case. There is a published study by author and illustrator ] demonstrating that religious beliefs, including belief in creationism and disbelief in evolution, are positively correlated with social ills like crime.<ref>{{cite journal|url=http://moses.creighton.edu/JRS/2005/2005-11.html|title=Cross-National Correlations of Quantifiable Societal Health with Popular Religiosity and Secularism in the Prosperous Democracies: A First Look|first=GS|last=Paul|journal=Journal of Religion & Society|volume=7|date=2005|accessdate=2007-03-24}}<br>
Of the five founding fathers of twentieth-century evolutionary biology—], ], ], ], and ]—one was a devout Anglican who preached sermons and published articles in church magazines, one a practicing Unitarian, one a dabbler in Eastern mysticism, one an apparent atheist, and one a member of the Russian Orthodox Church and the author of a book on religion and science.<ref name=thenewyorker-orr /> }}
The paper was criticized by Moreno-Riaño, Smith, and Mach in because " methodological problems do not allow for any conclusive statement to be advanced regarding the various hypotheses Paul seeks to demonstrate or falsify." Of course, correlation does not imply causality, and Paul does not produce any speculations about the cause of these correlations. </ref> The ] surveys find that Christians and non-Christians in the US have similar divorce rates, and the highest divorce rates in the US are among ] and ], both sects which reject evolution and embrace creationism.<ref>{{cite web|url=http://www.barna.org/FlexPage.aspx?Page=BarnaUpdate&BarnaUpdateID=170|title=Born Again Christians Just As Likely to Divorce As Are Non-Christians|date=2004|publisher=|accessdate=2004-03-24}}</ref> Michael Shermer argued in ''Scientific American'' in October 2006 that evolution supports concepts like family values, avoiding lies, fidelity, moral codes and the rule of law.<ref name=Shermer>{{cite journal|title=Darwin on the Right: Why Christians and conservatives should accept evolution|first=M|last=Shermer|journal=Scientific American|date=2006|url=http://www.sciam.com/article.cfm?chanID=sa006&articleID=00068F43-E189-150E-A18983414B7F0000&colID=13|accessdate=2007-04-26}}</ref> Shermer also suggests that evolution gives more support to the notion of an omnipotent creator, rather than a tinkerer with limitations based on a human model, the more common image subscribed to by creationists. Careful analyses of the creationist charges that evolution has lead to moral relativism and the Holocaust appear to be highly suspect. Historical analyses demonstrate that the origins of the Holocaust are more likely to be found in Christianity than in evolution.<ref>, Mark Isaak, Index to Creationist Claims, ], ''created 2001-4-29, modified 2005-7-1'', © 2006</ref><ref>, ], ]</ref>


In addition, a wide range of religions have reconciled a belief in a supernatural being with evolution.<ref name=ncse-religiousorganizations /> Molleen Matsumura of the National Center for Science Education found that "of Americans in the twelve largest Christian denominations, 89.6% belong to churches that support evolution education." These churches include the "], ], ], ] (USA), ], ], the ], the ], and others."<ref name=thewitchitaeagle-schrock /> A poll in 2000 done for ] found that 70% of the American public felt that evolution was compatible with a belief in God. Only 48% of the people polled could choose the correct definition of evolution from a list, however.<ref name=pfaw-public-education />
===Evolution leads to atheism===
Another charge leveled at evolutionary theory by creationists is that belief in evolution is either tantamount to atheism, or conducive to atheism. It is commonly claimed that all proponents of evolutionary theory are "materialistic atheists". On the other hand, Davis Young argues that ] ''itself'' is harmful to ] because its bad science will turn more away than it recruits. Young asks, "Can we seriously expect non-Christians to develop a respect for Christianity if we insist on teaching the brand of science that creationism brings with it?"<ref>{{cite book|title=Christianity and the Age of the Earth|first=D|last=Young|publisher=Artisan Publishers|date=1988|isbn=093466627X}}</ref> However, evolution does not either require or rule out the existence of a supernatural being. As Robert Pennock points out, evolution is no more atheistic than plumbing.<ref>{{cite book|url=http://www.ncseweb.org/resources/articles/8269_creationism_evolves_review_of_3_16_2001.asp|title=Tower of Babel: The Evidence Against the New Creationism'|first=RT|last=Pennock|publisher=MIT Press|date=2000|isbn=978-0262661652|accessdate=2007-03-24}}</ref>


One poll reported in the journal '']'' showed that among American scientists (across various disciplines), about 40 percent believe in both evolution and an active deity (]).<ref name=naturepublishing-larson /> This is similar to the results reported for surveys of the general American public. Also, about 40 percent of the scientists polled believe in a God that answers ]s, and believe in ].<ref name=ncse-witham /> While about 55% of scientists surveyed were atheists, ]s, or nonreligious theists, atheism is far from universal among scientists who support evolution, or among the general public that supports evolution. Very similar results were reported from a 1997 ] of the American public and scientists.<ref name=religioustolerance-robinson />
In addition, a wide range of religions have reconciled a belief in a supernatural being with evolution.<ref>{{cite web|url=http://www.ncseweb.org/resources/articles/5025_statements_from_religious_orga_12_19_2002.asp|title=Statements from Religious Organizations|publisher=|date=2002|accessdate=2007-03-24}}</ref> Molleen Matsumura of the ] found that "of Americans in the twelve largest Christian denominations, 89.6% belong to churches that support evolution education". These churches include the United Methodist Church, National Baptist Convention USA, Evangelical Lutheran Church in America, Presbyterian Church (USA), National Baptist Convention of America, African Methodist Episcopal Church, the Roman Catholic Church, the Episcopal Church, and others.<ref>{{cite news|url=http://www.emporia.edu/biosci/schrock/docs/Eagle-25.pdf|title=Christianity, Evolution Not in Conflict|first=JR|last=Schrock|publisher=Wichita Eagle|date=2005-05-17|pages=17A|accessdate=2007-03-24}}</ref> A poll in the year 2000 done for ] found that 70% of the American public felt that evolution was compatible with a belief in God. Only 48% of the people polled could choose the correct definition of evolution from a list, however.<ref>{{cite web|url=http://www.pfaw.org/pfaw/dfiles/file_36.pdf|title=Evolution and Creationism In Public Education: An In-depth Reading Of Public Opinion|date=2002|publisher=|accessdate=2007-03-24}}</ref>


{| class="wikitable" style="text-align:center"
One poll reported in the journal showed that among scientists, about 40 percent believe in both evolution and an active deity (]).<ref>{{cite journal|journal=Nature|date=1997|volume=386|pages=435-436|last=Larson|first=EJ|coauthors=Witham, L|title=Scientists are still keeping the faith}}</ref> This is similar to the results reported for surveys of the general public. Also, about 40 percent of the scientists polled believe in a God that answers prayers, and believe in immortality.<ref>{{cite journal|url=http://www.ncseweb.org/resources/rncse_content/vol17/5319_many_scientists_see_god39s__12_30_1899.asp|title=Many scientists see God's hand in evolution|last=Witham|first=L|journal=Reports of the National Center for Science Education|volume=17|issue=6|pages=33|date=1997|accessdate=2007-03-24}}</ref> While about 55% of scientists surveyed were atheists or agnostics, atheism is far from universal among scientists who support evolution, or among the general public that supports evolution. Very similar results were reported from a 1997 Gallup survey of the public and scientists.<ref name="robinson">{{cite web|url=http://www.religioustolerance.org/ev_publi.htm|title=Public beliefs about evolution and creation|last=Robinson|first=BA|date=1995|accessdate=2007-03-24}}</ref>

{| class="wikitable" cellspacing=0 cellpadding=3
|- |-
! style="background:#d0e5f5;color:black" |Group<ref name="robinson"/>'' ! style="background:#d0e5f5;color:black" |Group<ref name=religioustolerance-robinson />
!! style="background:#d0e5f5;color:black" |] !! style="background:#d0e5f5;color:black"| Belief in ]-guided ]!! style="background:#d0e5f5;color:black"| Belief in ] without ] guiding the process !! style="background:#d0e5f5;color:black" |Belief in ] !! style="background:#d0e5f5;color:black"| Belief in ]!! style="background:#d0e5f5;color:black"| Belief in evolution without ] guiding the process
|- |-
|'''American Public'''||'''44%'''||'''39%'''||'''10%''' |'''American public'''||'''44%'''||'''39%'''||'''10%'''
|- |-
|'''American Scientists'''||'''5%'''||'''40%'''||'''55%''' |'''American scientists'''*||'''5%'''||'''40%'''||'''55%'''
|-
|colspan="4" style="font-size:84%;text-align:left;"|*Includes persons with professional degrees in fields unrelated to evolution, such as computer science, chemical engineering, physics, psychology, business administration, etc.<ref name=religioustolerance-robinson />
|} |}

Traditionalists still object to the idea that diversity in life, including human beings, arose through natural processes without a need for supernatural intervention, and they argue against evolution on the basis that it contradicts their literal interpretation of ]s about separate "]". However, many religions, such as ] which does not endorse nor deny evolution, have allowed Catholics to reconcile their own personal belief with evolution through the idea of ].<ref name=caltech-1996-10-30-pope-john-paul-ii /><ref name=ekklesia/><ref>{{Cite web|title=Adam, Eve, and Evolution|url=https://www.catholic.com/tract/adam-eve-and-evolution|access-date=2021-03-25|website=Catholic Answers}}</ref><ref>{{Cite web|title=Can Catholics believe in evolution?|url=https://nwcatholic.org/voices/daniel-mueggenborg/can-catholics-believe-in-evolution|access-date=2021-03-26|website=Northwest Catholic|language=en}}</ref><ref>{{Cite web|title=The Vatican's View of Evolution: Pope Paul II and Pope Pius|url=http://law2.umkc.edu/faculty/projects/ftrials/conlaw/vaticanview.html|access-date=2021-03-26|website=law2.umkc.edu}}</ref>


==See also== ==See also==

*]
* ]
* ]
* ]
{{Clear}}

==Notes==
{{reflist|group=note}}


==References== ==References==
{{reflist|2}} {{reflist | refs=


<!-- WEBSITE REFERENCES -->
]
]
]


<ref name=aaas-2006-2-16-statement-teaching-evolution>{{cite web | title = Statement on the Teaching of Evolution | url = http://www.aaas.org/news/releases/2006/pdf/0219boardstatement.pdf | date = 16 February 2006 | publisher = ] | location = ] | archive-url = https://web.archive.org/web/20060221125539/http://www.aaas.org/news/releases/2006/pdf/0219boardstatement.pdf | archive-date = 2006-02-21}}</ref>
]

<ref name=adl-2008-4-29-misappropriation>{{cite press release | title = Anti-Evolution Film Misappropriates the Holocaust | url = http://archive.adl.org/nr/exeres/25a3641b-c374-4f2b-9a96-c04e93960427,0b1623ca-d5a4-465d-a369-df6e8679cd9e,frameless.html | location = New York | publisher = ] | date = 29 April 2008 | access-date = 8 April 2015 | archive-url = https://web.archive.org/web/20160303232232/http://archive.adl.org/nr/exeres/25a3641b-c374-4f2b-9a96-c04e93960427,0b1623ca-d5a4-465d-a369-df6e8679cd9e,frameless.html | archive-date = 3 March 2016 | url-status = dead | df = dmy-all }}
*{{cite web | title = Intelligent Design: It's Not Science | url = http://www.adl.org/assets/pdf/civil-rights/religiousfreedom/religfreeres/ID-NotSci-docx.pdf | year = 2012 | publisher = ] | location = New York | access-date = 2015-04-08 | archive-date = 2015-02-25 | archive-url = https://web.archive.org/web/20150225075632/http://www.adl.org/assets/pdf/civil-rights/religiousfreedom/religfreeres/ID-NotSci-docx.pdf | url-status = dead }}</ref>

<ref name=aig-thermodynamics-evolution>{{cite web | title = Does the Second Law of Thermodynamics Favor Evolution? | url = https://answersingenesis.org/physics/second-law-of-thermodynamics | publisher = answersingenesis.org | year = 2015}}</ref>

<ref name=arn-johnson>{{cite web | last = Johnson | first = Phillip E. | date = August 16, 1999 | title = The Church of Darwin | url = https://www.wsj.com/articles/SB934759227734378961 | newspaper = ]}}fulltext </ref>

<ref name=barna-2004-09-08>{{cite web | title = Born Again Christians Just As Likely to Divorce As Are Non-Christians | url = https://www.barna.org/barna-update/article/5-barna-update/194-born-again-christians-just-as-likely-to-divorce-as-are-non-christians | date = 8 September 2004 | publisher = ] | location = Ventura, CA | url-status = dead | archive-url = https://web.archive.org/web/20141011120737/https://www.barna.org/barna-update/article/5-barna-update/194-born-again-christians-just-as-likely-to-divorce-as-are-non-christians | archive-date = 11 October 2014 }}</ref>

<ref name=caltech-1996-10-30-pope-john-paul-ii>{{cite news | author = Pope John Paul II | author-link = Pope John Paul II | date = October 30, 1996 | title = Magisterium is concerned with question of evolution, for it involves conception of man | url = http://www.its.caltech.edu/~nmcenter/sci-cp/evolution.html | newspaper = ] | type = Message to the ] | edition = Weekly English | location = Tipografia Vaticana, Vatican City | publisher = Holy See | number = 44 | pages = 3, 7 | access-date = 2015-03-24 | archive-url = https://web.archive.org/web/20160321064939/http://www.its.caltech.edu/%7Enmcenter/sci-cp/evolution.html | archive-date = 2016-03-21 | url-status = dead }}</ref>

<ref name=creation-1999-8-bergman>This ] claim that is part of a ] and is amply repeated in creationist literature. For example: *{{cite journal | last = Bergman | first = Jerry | date = August 1999 | title = Darwinism and the Nazi race Holocaust | url = http://creation.com/darwinism-and-the-nazi-race-holocaust | journal = Creation Ex Nihilo Technical Journal | publisher = Creation Ministries International | volume = 13 | issue = 2 | pages = 101–111}}
*{{cite journal |last=Sarfati |first=Jonathan |date=December 1999 |title=The Holocaust and evolution |url=http://creation.com/the-holocaust-and-evolution |journal=Creation Ex Nihilo |type=Guest editorial |publisher=Creation Ministries International |volume=22 |issue=1 |page=4 |access-date=2015-04-08}}</ref>

<ref name=dakotavoice-2006-5-7-ellis>{{cite web | last = Ellis | first = Bob | date = 7 May 2006 | title = Creationist Links Origins to Faith, Everyday Life | url = http://www.dakotavoice.com/200605/20060507_1.html | website = Dakota Voice | location = Rapid City, SD | publisher = Dakota Voice, LLC}}</ref>

<ref name=darwin-online-2002-van-wyhe-complete>{{cite web | last = van Wyhe | first = John | author-link = John van Wyhe | year = 2002 | title = Charles Darwin: gentleman naturalist | url = http://darwin-online.org.uk/darwin.html | website = ]}}</ref>

<ref name=ekklesia>{{cite web | title = Churches urged to challenge Intelligent Design | url = http://www.ekklesia.co.uk/content/news_syndication/article_060220creationism.shtml | date = 20 February 2006 | publisher = ] | location = London}}</ref>

<ref name=entouch-2002-morton-imminent-demise>{{cite web | last = Morton | first = Glenn R. | year = 2002 | title = The Imminent Demise of Evolution: The Longest Running Falsehood in Creationism | url = http://home.entouch.net/dmd/moreandmore.htm | archive-url = https://web.archive.org/web/20090207173612/http://home.entouch.net/dmd/moreandmore.htm | archive-date = 2009-02-07}}</ref>

<ref name=icr-morris>{{cite web | last = Morris | first = Henry | title = Does Entropy Contradict Evolution? | url = http://www.icr.org/article/does-entropy-contradict-evolution | publisher = Institute for Creation Research}}</ref>

<ref name=ncse-creationism-laws-thermodynamics>{{cite web | title = Creationism and the Laws of Thermodynamics | url = https://ncse.com/rncse/25/5-6/creationism-laws-thermodynamics | year = 2005 | publisher = ]}}</ref>

<ref name=ncse-religiousorganizations>{{cite web | title = Statements from Religious Organizations | url = http://ncse.com/media/voices/religion | website = National Center for Science Education | location = Oakland, CA}}</ref>

<ref name=pbs-evolution-library-scopes-trial>{{cite web | title = Evolution library: Scopes trial | url = https://www.pbs.org/wgbh/evolution/library/08/2/l_082_01.html | publisher = ]}}</ref>

<ref name=pbslearningmedia-2007-human-chromosome-2>{{cite web | title = Human Chromosome 2 | url = http://www.pbslearningmedia.org/resource/evol07.sci.life.evo.genconnect/human-chromosome-2 | year = 2007 | website = ] LearningMedia | publisher = ]; ]}} Video segment from ]'s '']'' (2007).</ref>

<ref name=pfaw-public-education>{{cite web | title = Evolution and Creationism In Public Education: An In-depth Reading Of Public Opinion | url = https://www.pfaw.org/sites/default/files/evolutionandcreationisminpubliceducation.pdf | date = March 2000 | website = ] | publisher = People For the American Way | location = Washington, D.C. | url-status = dead | archive-url = https://web.archive.org/web/20150924072656/http://www.pfaw.org/sites/default/files/evolutionandcreationisminpubliceducation.pdf | archive-date = 2015-09-24 }}</ref>

<ref name=religioustolerance-robinson>{{cite web | last = Robinson | first = Bruce A. | title = Beliefs of the U.S. public about evolution and creation | url = http://www.religioustolerance.org/ev_publia.htm | website = ReligiousTolerance.org | publisher = ]}}</ref>

<ref name=talkorigins-1993-1-22-moran-definition>{{cite web | last = Moran | first = Laurence | date = January 22, 1993 | title = What is Evolution? | url = http://www.talkorigins.org/faqs/evolution-definition.html | website = ] | publisher = The TalkOrigins Foundation, Inc. | location = Houston, TX}}</ref>

<ref name=talkorigins-1993-1-22-moran-fact>{{cite web | last = Moran | first = Laurence | date = 22 January 1993 | title = Evolution is a Fact and a Theory | url = http://www.talkorigins.org/faqs/evolution-fact.html | website = ] | publisher = The TalkOrigins Foundation, Inc. | location = Houston, TX | quote = In the American vernacular, 'theory' often means 'imperfect fact'--part of a hierarchy of confidence running downhill from fact to theory to hypothesis to guess. Thus the power of the creationist argument: evolution is 'only' a theory and intense debate now rages about many aspects of the theory. If evolution is worse than a fact, and scientists can't even make up their minds about the theory, then what confidence can we have in it? Well evolution ''is'' a theory. It is also a fact. And facts and theories are different things, not rungs in a hierarchy of increasing certainty.}} — Moran quoting ] ('']'', May 1981)</ref>

<ref name=talkorigins-1997-12-15-nedin>{{cite web | last = Nedin | first = Chris | date = December 15, 1997 | url = http://www.talkorigins.org/faqs/archaeopteryx/forgery.html | title = On ''Archaeopteryx'', Astronomers, and Forgery | website = TalkOrigins Archive | publisher = The TalkOrigins Foundation, Inc. | location = Houston, TX}}</ref>

<ref name=talkorigins-1998-2-25-elsberry>{{cite web | last = Elsberry | first = Wesley R. | author-link = Wesley R. Elsberry | date = February 25, 1998 | title = Missing links still missing!? | url = http://www.talkorigins.org/origins/postmonth/feb98.html | website = TalkOrigins Archive | publisher = The TalkOrigins Foundation, Inc. | location = Houston, TX | type = Post of the Month}}</ref>

<ref name=talkorigins-2003-10-1-faq-misconceptions-isaak>{{cite web | last = Isaak | first = Mark | date = 1 October 2003 | title = Five Major Misconceptions about Evolution | url = http://www.talkorigins.org/faqs/faq-misconceptions.html | website = TalkOrigins Archive | publisher = The TalkOrigins Foundation, Inc. | location = Houston, TX}}</ref>

<ref name=talkorigins-2003-4-2-isaak>{{cite web | editor-last = Isaak | editor-first = Mark | date = April 2, 2003 | title = Index to Creationist Claims: Claim CA009: Being and behaving like animals | url = http://www.talkorigins.org/indexcc/CA/CA009.html | website = ] | publisher = The TalkOrigins Foundation, Inc. | location = Houston, TX}}</ref>

<ref name=talkorigins-2003-9-17-isaak>{{cite web | editor-last = Isaak | editor-first = Mark | date = 17 September 2003 | title = Index to Creationist Claims: Claim CB401: Inconceivable instinct | url = http://www.talkorigins.org/indexcc/CB/CB401.html | website = TalkOrigins Archive | publisher = The TalkOrigins Foundation, Inc. | location = Houston, TX}}</ref>

<ref name=talkorigins-2004-3-17-isaak>{{cite web | editor-last = Isaak | editor-first = Mark | date = 17 March 2004 | title = Index to Creationist Claims: Claim CC201: Phyletic gradualism | url = http://www.talkorigins.org/indexcc/CC/CC201.html | website = TalkOrigins Archive | publisher = The TalkOrigins Foundation, Inc. | location = Houston, TX}}</ref>

<ref name=talkorigins-2004-5-10-isaak>{{cite web | editor-last = Isaak | editor-first = Mark | date = 10 May 2004 | title = Index to Creationist Claims: Claim CA221: Were you there? | url = http://www.talkorigins.org/indexcc/CA/CA221.html | website = TalkOrigins Archive | publisher = The TalkOrigins Foundation, Inc. | location = Houston, TX}}</ref>

<ref name=talkorigins-2007-3-13-isaak>{{cite web | editor-last = Isaak | editor-first = Mark | date = 13 March 2007 | title = Index to Creationist Claims: Claim CA006.1: Hitler's views | url = http://www.talkorigins.org/indexcc/CA/CA006_1.html | website = TalkOrigins Archive | publisher = The TalkOrigins Foundation, Inc. | location = Houston, TX|ref=none}}</ref>

<ref name=talkorigins-faqs-foley>{{cite web | last = Foley | first = Jim | title = Fossil Hominids: The Evidence for Human Evolution | url = http://www.talkorigins.org/faqs/homs | website = TalkOrigins Archive | publisher = The TalkOrigins Foundation, Inc. | location = Houston, TX}}</ref>

<ref name=talkorigins-faqs-wells>{{cite web | title = Icons of Evolution FAQs | url = http://www.talkorigins.org/faqs/wells | website = TalkOrigins Archive | publisher = The TalkOrigins Foundation, Inc. | location = Houston, TX}}</ref>

<ref name=talkreason-2007-08-24-avalos>{{cite web | last = Avalos | first = Hector | date = August 24, 2007 | title = Creationists for Genocide | url = http://www.talkreason.org/articles/Genocide.cfm | author-link = Hector Avalos | website = ]}}</ref>

<!--deadlink--><ref name=tallahassee-2008-2-6-ruse>{{cite web | last = Ruse | first = Michael | author-link = Michael Ruse | date = 6 February 2008 | title = Darwin and Hitler: a not-very-intelligent link | url = http://www.nebsci.net/fla46.html | newspaper = ] | type = Op-ed ("My View") | location = Tysons Corner, VA | publisher = ] | page = B3}}</ref>

<ref name=vatican-1950-08-12-pope-pius-xii>{{cite web | author = Pope Pius XII | date = August 12, 1950 | title = Humani Generis | url =https://www.vatican.va/content/pius-xii/en/encyclicals/documents/hf_p-xii_enc_12081950_humani-generis.html | author-link = Pope Pius XII | website = Vatican: the Holy See | publisher = ] | location = St. Peter's Basilica, Vatican City | type = ] | access-date = 2016-07-20 | archive-url = https://web.archive.org/web/20120419021937/http://www.vatican.va/holy_father/pius_xii/encyclicals/documents/hf_p-xii_enc_12081950_humani-generis_en.html | archive-date = April 19, 2012}}</ref>

<!-- BOOK REFERENCES -->

<ref name=perry-chase-jacob-jacob>{{harvnb|Perry|Chase|Jacob|Jacob|2014|pp=}}: "The most extreme ideological expression of nationalism and imperialism was Social Darwinism. In the popular mind, the concepts of evolution justified the exploitation by the 'superior races' of 'lesser breeds without the law.' This language of race and conflict, of superior and inferior people, had wide currency in the Western nations. Social Darwinists vigorously advocated empires, saying that strong nations—by definition, those that were successful at expanding industry and empire—would survive and others would not. To these elitists, all white peoples were more fit than nonwhites to prevail in the struggle for dominance. Even among Europeans, some nations were deemed more fit than others for the competition. Usually, Social Darwinists thought their own nation the best, an attitude that sparked their competitive enthusiasm. ...In the nineteenth century, in contrast to the seventeenth and eighteenth centuries, Europeans, except for missionaries, rarely adopted the customs or learned the languages of local people. They had little sense that other cultures and other peoples deserved respect. Many Westerners believed that it was their Christian duty to set an example and to educate others. Missionaries were the first to meet and learn about many peoples and the first to develop writing for those without a written language. Christian missionaries were ardently opposed to slavery...."</ref>

<!-- JOURNAL REFERENCES -->

<ref name=archaeopteryx-1986-charig-greenaway-milner-walker-whybrow>{{cite journal | last1 = Charig | first1 = Alan J. | author-link = Alan J. Charig | last2 = Greenaway | first2 = Frank | last3 = Milner | first3 = Angela C. | author-link3 = Angela Milner | last4 = Walker | first4 = Cyril A. | author-link4 = Cyril Walker (palaeontologist) | last5 = Whybrow | first5 = Peter J. | date = May 2, 1986 | title = ''Archaeopteryx'' Is Not a forgery | journal = Science | volume = 232 | issue = 4750 | pages = 622–626 | bibcode = 1986Sci...232..622C | doi = 10.1126/science.232.4750.622 | issn = 0036-8075 | pmid = 17781413 | s2cid = 39554239 | display-authors = 3}}</ref>

<ref name=aaas-1997-4-11-huelsenbeck-rannala>{{cite journal | last1 = Huelsenbeck | first1 = John P. | last2 = Rannala | first2 = Bruce | date = 11 April 1997 | title = Phylogenetic Methods Come of Age: Testing Hypotheses in an Evolutionary Context | journal = Science | volume = 276 | issue = 5310 | pages = 227–232 | doi = 10.1126/science.276.5310.227 | issn = 0036-8075 | pmid = 9092465| citeseerx = 10.1.1.456.4974 }}</ref>

<ref name=creighton-2005-paul>{{cite journal | last = Paul | first = Gregory S. | author-link = Gregory S. Paul | year = 2005 | title = Cross-National Correlations of Quantifiable Societal Health with Popular Religiosity and Secularism in the Prosperous Democracies: A First Look | url = http://moses.creighton.edu/jrs/2005/2005-11.pdf | journal = Journal of Religion & Society | volume = 7 | issn = 1522-5658 | access-date = 2015-04-09 | archive-date = 2015-03-31 | archive-url = https://web.archive.org/web/20150331014559/http://moses.creighton.edu/jrs/2005/2005-11.pdf | url-status = dead }}</ref>

<ref name=hssrd-2002-summer-majid>{{cite journal | last = Majid | first = Abdul | date = Summer 2002 | title = The Muslim Responses To Evolution | url = http://www.hssrd.org/journal/summer2002/muslim-response.htm | journal = Science-Religion Dialogue | location = ], Pakistan | publisher = Hazara Society for Science-Religion Dialogue | volume = 1 | issue = 1 | archive-url = https://web.archive.org/web/20040119181826/http://www.hssrd.org/journal/summer2002/muslim-response.htm | archive-date = 2004-01-19}}</ref>

<ref name=michaelshermer-2006-10-shermer>{{cite journal | last = Shermer | first = Michael | author-link = Michael Shermer | date = October 2006 | title = Darwin on the Right | url = http://www.michaelshermer.com/2006/10/darwin-on-the-right | journal = ] | volume = 295 | issue = 4 | page = 38 | doi = 10.1038/scientificamerican1006-38 | pmid = 16989476 | issn = 0036-8733| bibcode = 2006SciAm.295d..38S }}</ref>

<ref name=naturepublishing-2003-elena>{{cite journal | last1 = Elena | first1 = Santiago F. | last2 = Lenski | first2 = Richard E. | author-link2 = Richard Lenski | date = June 2003 | title = Evolution experiments with microorganisms: the dynamics and genetic bases of adaptation | journal = ] | volume = 4 | issue = 6 | pages = 457–469 | doi=10.1038/nrg1088 | issn = 1471-0056 | pmid = 12776215| s2cid = 209727 }}</ref>

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<ref name=ncse-witham>{{cite journal | last = Witham | first = Larry | date = November–December 1997 | title = Many scientists see God's hand in evolution | url = http://ncse.com/rncse/17/6/many-scientists-see-gods-hand-evolution | journal = Reports of the National Center for Science Education | volume = 17 | issue = 6 | page = 33 | issn = 2158-818X}}</ref>

<ref name=nature-2006-4-6-shubin-daeschler-jenkins>{{cite journal | last1 = Shubin | first1 = Neil H. | author-link1 = Neil Shubin | last2 = Daeschler | first2 = Edward B. | author-link2 = Ted Daeschler | last3 = Jenkins | first3 = Farish A. | author-link3 = Farish Jenkins | date = April 6, 2006 | title = The pectoral fin of ''Tiktaalik roseae'' and the origin of the tetrapod limb | journal = Nature | volume = 440 | issue = 7085 | pages = 764–771 | bibcode = 2006Natur.440..764S | doi = 10.1038/nature04637 | issn = 0028-0836 | pmid = 16598250| s2cid = 4412895 }}</ref>

<ref name=naturepublishing-larson>{{cite journal | last1 = Larson | first1 = Edward J. | author-link = Edward J. Larson | last2 = Witham | first2 = Larry | date = April 3, 1997 | title = Scientists are still keeping the faith | journal = Nature | volume = 386 | issue = 6624 | pages = 435–436 | bibcode = 1997Natur.386..435L | doi = 10.1038/386435a0 | s2cid = 32101226 | issn = 0028-0836}}</ref>

<ref name=palaeontologyonline-2012-antcliffe>{{cite journal | last = Antcliffe | first = Jonathan B. | year = 2012 | title = Patterns in Palaeontology: The Cambrian explosion – Paradoxes and possible worlds | url = http://www.palaeontologyonline.com/articles/2012/the-cambrian-explosion-paradoxes-and-possible-worlds/ | journal = Palaeontology Online | volume = 2 | issue = Article 8 | pages = 1–12 | publisher = Palaeontological Association (sponsor)}}</ref>

<ref name=scientificamerican-2002-rennie>{{cite journal | last = Rennie | first = John | author-link = John Rennie (editor) | date = July 2002 | title = 15 Answers to Creationist Nonsense | journal = Scientific American | volume = 287 | issue = 1 | pages = 78–85 | doi = 10.1038/scientificamerican0702-78 | issn = 0036-8733 | pmid = 12085506| bibcode = 2002SciAm.287a..78R }}</ref>

<ref name=thenewyorker-orr>{{cite magazine | last = Orr | first = H. Allen | author-link = H. Allen Orr | date = May 30, 2005 | title = Devolution | url = http://www.newyorker.com/magazine/2005/05/30/devolution-2?currentPage=1 | magazine = ] | issn = 0028-792X}}</ref>

<ref name=ugent-logica-1986-burian>{{cite journal | last = Burian | first = Richard M. | title = Why the panda provides no comfort to the creationist | url = http://logica.ugent.be/philosophica/fulltexts/37-2.pdf | journal = ] | year = 1986 | volume = 37 | number = 1 | pages = 11–26 | doi = 10.21825/philosophica.82521 | s2cid = 247442638 | access-date = 2016-01-16 | archive-date = 2016-10-07 | archive-url = https://web.archive.org/web/20161007121150/http://logica.ugent.be/philosophica/fulltexts/37-2.pdf | url-status = dead }}</ref>

<!-- NEWS REFERENCES -->

<ref name=thewitchitaeagle-schrock>{{cite news | last = Schrock | first = John Richard | date = May 17, 2005 | title = Christianity, Evolution Not in Conflict | url = http://www.educationfrontlines.net/newspaper/050517-christianity.htm | newspaper = ] | location = Sacramento, CA | publisher = ] | page = 17A | access-date = April 10, 2015 | archive-url = https://web.archive.org/web/20150416011640/http://www.educationfrontlines.net/newspaper/050517-christianity.htm | archive-date = April 16, 2015 | url-status = dead }}</ref>

<ref name=washingtonpost-2005-8-2-gwb>{{cite news | title = Transcript of Roundtable Interview, page 5 of 5 | url = https://www.washingtonpost.com/wp-dyn/content/article/2005/08/02/AR2005080200899_5.html | newspaper = ] | date = August 2, 2005}}</ref>

}}

== Bibliography ==
* {{cite book | last = Behe | first = Michael J. | year = 1996 | title = Darwin's Black Box: The Biochemical Challenge to Evolution | location = New York | publisher = ] | isbn = 978-0-684-82754-4 | lccn = 96000695 | oclc = 34150540| title-link = Darwin's Black Box }}
* {{cite book | last = Bowler | first = Peter J. | author-link = Peter J. Bowler | year = 1992 | orig-year = Original hardback edition published 1983 |title=The Eclipse of Darwinism: Anti-Darwinian Evolution Theories in the Decades Around 1900 |edition=Johns Hopkins Paperbacks | location = Baltimore, MD | publisher = ] | isbn = 978-0-8018-4391-4 | lccn = 82021170 | oclc = 611262030}}
* {{cite book | last = Bowler | first = Peter J. | year = 2003 | title = Evolution: The History of an Idea | edition = 3rd | location = Berkeley, CA | publisher = ] | isbn = 978-0-520-23693-6 | lccn = 2002007569 | oclc = 49824702| url-access = registration | url = https://archive.org/details/evolutionhistory0000bowl_n7y8 }}
* {{cite book | last = Butterfield | first = Nicholas J. | year = 2001 | chapter = Ecology and evolution of Cambrian plankton | editor1-last = Zhuravlev | editor1-first = Andrey Yu. | editor2-last = Riding | editor2-first = Robert | title = The Ecology of the Cambrian Radiation | series = Critical Moments in Paleobiology and Earth History Series; Perspectives in Paleobiology and Earth History Series | location = New York | publisher = ] | isbn = 978-0-231-10613-9 | lccn = 00063901 | oclc = 44869047}}
* {{cite book | last = Darwin | first = Charles | author-link = Charles Darwin | year = 1859 | title = On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life | edition = 1st | location = London | publisher = ] | lccn = 06017473 | oclc = 741260650| title-link = On the Origin of Species }} The book is available from . Retrieved 2015-03-30.
* {{cite book | last = Darwin | first = Charles | year = 1866 | title = On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life | url = http://darwin-online.org.uk/content/frameset?pageseq=1&itemID=F385&viewtype=side | edition = 4th | location = London | publisher = John Murray | oclc = 44636697}}
* {{cite book | last = Dawkins | first = Richard | author-link = Richard Dawkins | year = 2006 | title = The God Delusion | location = Boston, MA | publisher = ] | isbn = 978-0-618-68000-9 | lccn = 2006015506 | oclc = 68965666| title-link = The God Delusion }}
* {{cite book | last = Dawkins | first = Richard | year = 2010 | orig-year = First published in Great Britain in 2009 by ] | title = The Greatest Show on Earth: The Evidence for Evolution | edition = First Free Press trade pbk. | location = New York | publisher = Free Press | isbn = 978-1-4165-9479-6 | lccn = 2010655116 | oclc = 685121521| title-link = The Greatest Show on Earth: The Evidence for Evolution }}
* {{cite book | last = Dembski | first = William A. | author-link = William A. Dembski | year = 1998 | title = The Design Inference: Eliminating Chance through Small Probabilities | location = Cambridge; New York | publisher = ] | isbn = 978-0-521-62387-2 | lccn = 98003020 | oclc = 38551103| title-link = The Design Inference }}
* {{cite book | last = Fowler | first = Thomas | year = 2007 | title = The Evolution Controversy: A Survey of Competing Theories | location = Grand Rapids, MI | publisher = ] | isbn = 978-0-8010-3174-8 | lccn = 2007011459 | oclc = 122291332}}
* {{cite book | last = Fry | first = Iris | year = 2000 | title = Emergence of Life on Earth: A Historical and Scientific Overview | location = New Brunswick, NJ | publisher = ] | isbn = 978-0-8135-2740-6 | lccn = 99023153 | oclc = 41090659}}
* {{cite book | last = Gould | first = Stephen J. | author-link = Stephen J. Gould | year = 1983 | title = Hen's Teeth and Horse's Toes | edition = 1st | location = New York | publisher = ] | isbn = 978-0-393-01716-8 | lccn = 82022259 | oclc = 8954357| title-link = Hen's Teeth and Horse's Toes }}
* {{cite book | last = Ham | first = Ken | author-link = Ken Ham | year = 1987 | title = The Lie: Evolution | location = Green Forest, AR | publisher = ] | isbn = 978-0-89051-158-9 | lccn = 00108776 | oclc = 50574665| url = https://archive.org/details/lie00kenh_0 }}
* {{cite book | last = Hempel | first = Carl Gustav | author-link = Carl Gustav Hempel | year = 1965 | orig-year = Essay originally published 1950 in ''Revue Internationale de Philosophie'', '''41''' (11): 41–63 | chapter = Problems and Changes in the Empiricist Criterion of Meaning | chapter-url = https://www.ualberta.ca/~francisp/NewPhil448/HempelEmpiricistsMeaning1950.pdf | title = Aspects of Scientific Explanation and other Essays in the Philosophy of Science | location = Glencoe, IL | publisher = Free Press | lccn = 65015441 | oclc = 522395| title-link = Aspects of Scientific Explanation and other Essays in the Philosophy of Science }}
* {{cite book | last = Hoyle | first = Fred | author-link1 = Fred Hoyle | year = 1982 | title = Evolution From Space (The Omni Lecture) and Other Papers on the Origin of Life | location = Hillside, NJ | publisher = Enslow Publishers | isbn = 978-0-89490-083-9 | lccn = 82008856 | oclc = 8495145}}
* {{cite book | last1 = Hoyle | first1 = Fred | last2 = Wickramasinghe | first2 = Chandra | author-link2 = Chandra Wickramasinghe | year = 1982 | orig-year = Originally published 1981; London: ] | title = Evolution from Space: A Theory of Cosmic Creationism | edition = Reprint | location = New York | publisher = ] | isbn = 978-0-671-45031-1 | lccn = 82005622 | oclc = 8430789| url = https://archive.org/details/evolutionfromspa00hoyl_0 }}
* {{cite book | last1 = Hoyle | first1 = Fred | last2 = Wickramasinghe | first2 = Chandra | year = 1986 | title = Archaeopteryx, the Primordial Bird: A Case of Fossil Forgery | location = Swansea, Wales | publisher = Christopher Davies | isbn = 978-0-7154-0665-6 | oclc = 17768215| url-access = registration | url = https://archive.org/details/archaeopteryxpri0000hoyl }}
* {{cite book | last1 = Hoyle | first1 = Fred | last2 = Wickramasinghe | first2 = Chandra | year = 1993 | title = Our Place in the Cosmos: The Unfinished Revolution | location = London | publisher = J. M. Dent & Sons | isbn = 978-0-460-86084-0 | lccn = 94130735 | oclc = 30817228}}
* {{cite book | last = Isaak | first = Mark | title = The Counter-Creationism Handbook | year = 2007 | location = Berkeley, CA | publisher = University of California Press | isbn = 978-0-520-24926-4 | lccn = 2006047492 | oclc = 69241583| url-access = registration | url = https://archive.org/details/countercreationi0000isaa }}
* {{cite book | last = Kehoe | first = Alice B. | author-link = Alice Beck Kehoe | year = 1984 | orig-year = Originally published 1983 | chapter = The Word of God | editor-last = Godfrey | editor-first = Laurie R. | title = Scientists Confront Creationism | edition = Later prt. | location = New York | publisher = W. W. Norton & Company | isbn = 978-0-393-30154-0 | lccn = 82012500 | oclc = 12399341| chapter-url = https://archive.org/details/scientistsconfro00godf | url-access = registration | url = https://archive.org/details/scientistsconfro00godf }}
* {{cite book | last = Kellogg | first = Vernon | author-link = Vernon Lyman Kellogg | year = 1917 | title = Headquarters Nights: A Record of Conversations and Experiences at the Headquarters of the German Army in France and Belgium | url = https://archive.org/details/headquartersnigh01kell | location = Boston | publisher = The Atlantic Monthly Press | lccn = 17025619 | oclc = 1171749}} The book is available from the . Retrieved 2015-04-07.
* {{cite book | last = Kitcher | first = Philip | author-link = Philip Kitcher | year = 1982 | title = Abusing Science: The Case Against Creationism | url = https://archive.org/details/abusingscience00phil | url-access = registration | location = Cambridge, MA | publisher = ] | isbn=978-0-262-11085-3 | lccn = 82009912 | oclc = 8477616}}
* {{cite book | last1 = Klyce | first1 = Brig | last2 = Wickramasinghe | first2 = Chandra | year = 2003 | chapter = Creationism versus Darwinism: A Third Alternative | chapter-url = http://www.panspermia.org/thirdalt.htm | editor1-last = Campbell | editor1-first = John Angus | editor1-link = John Angus Campbell | editor2-last = Meyer | editor2-first = Stephen C. | editor2-link = Stephen C. Meyer | title = Darwinism, Design and Public Education | location = East Lansing, MI | publisher = ] | isbn = 978-0-87013-675-7 | lccn = 2003020507 | oclc = 53145654| title-link = Darwinism, Design and Public Education }}
* {{cite book | last = Moore | first = James R. | author-link = James Moore (biographer) | year = 1979 | title = The Post-Darwinian Controversies: A Study of the Protestant Struggle to Come to Terms with Darwin in Great Britain and America, 1870–1900 | location = Cambridge; New York | publisher = Cambridge University Press | isbn = 978-0-521-21989-1 | lccn = 77094372 | oclc = 4037223}}
* {{cite book | editor-last = Morris | editor-first = Henry M. | editor-link = Henry M. Morris | year = 1974 | title = Scientific Creationism | others = Prepared by the technical staff and consultants of the ] | location = San Diego, CA | publisher = Creation-Life Publishers | isbn = 978-0-89051-003-2 | lccn = 74014160 | oclc = 1556752| url-access = registration | url = https://archive.org/details/scientificcreati00inst }}
* {{cite book | last = Morris | first = Henry M. | year = 1982 | title = The Troubled Waters of Evolution | edition = 2nd | location = San Diego, CA | publisher = Creation-Life Publishers | isbn = 978-0-89051-087-2 | lccn = 82083647 | oclc = 10143785}}
* {{cite book | last = Morris | first = Henry M. | year = 1989 | title = The Long War Against God: The History and Impact of the Creation/Evolution Conflict | location = Grand Rapids, MI | publisher = ] | isbn = 978-0-8010-6257-5 | lccn = 89039261 | oclc = 20296637}}
* {{cite book | last = Patterson | first = John W. | year = 1984 | orig-year = Originally published 1983 | chapter = Thermodynamics and Evolution | editor-last = Godfrey | editor-first = Laurie R. | title = Scientists Confront Creationism | edition = Later prt. | location = New York | publisher = W. W. Norton & Company | isbn = 978-0-393-30154-0 | lccn = 82012500 | oclc = 12399341| chapter-url = https://archive.org/details/scientistsconfro00godf | url-access = registration | url = https://archive.org/details/scientistsconfro00godf }}
* {{cite book | last = Pennock | first = Robert T. | author-link = Robert T. Pennock | year = 1999 | title = Tower of Babel: The Evidence against the New Creationism | location = Cambridge, MA | publisher = MIT Press | isbn = 978-0-262-16180-0 | lccn = 98027286 | oclc = 44966044| url = https://archive.org/details/towerofbabelevid00penn }}
* {{cite book | last1 = Perry | first1 = Marvin | last2 = Chase | first2 = Myrna | last3 = Jacob | first3 = Margaret | last4 = Jacob | first4 = James | last5 = Daly | first5 = Jonathan W. | last6 = Von Laue | first6 = Theodore H. | year = 2014 | title = Western Civilization: Ideas, Politics, and Society | volume = II: Since 1600 | edition = 11th | location = Boston, MA | publisher = ] | isbn = 978-1-305-09142-9 | lccn = 2014943347 | oclc = 898154349}}
* {{cite book | last = Plantinga | first = Alvin | author-link = Alvin Plantinga | year = 1993 | title = Warrant and Proper Function | location = New York | publisher = ] | doi = 10.1093/0195078640.001.0001 | isbn = 978-0-19-507864-0 | lccn = 92000408 | oclc = 25628862}}
* {{cite book | last = Popper | first = Karl | author-link = Karl Popper | year = 1985 | orig-year = Originally published 1976 | title = Unended Quest: An Intellectual Autobiography | location = La Salle, IL | publisher = ] | isbn = 978-0-08-758343-6 | lccn = 85011430 | oclc = 12103887| title-link = Unended Quest }}
* {{cite book | last = Quine | first = Willard Van Orman | author-link = Willard Van Orman Quine | year = 1953 | orig-year = Essay originally published 1951 in '']'', '''60''' (1): 20–43 | chapter = Two Dogmas of Empiricism | chapter-url = http://www.ditext.com/quine/quine.html | title = From a Logical Point of View: Nine Logico-Philosophical Essays | location = Cambridge, MA | publisher = ] | lccn = 53005074 | oclc = 1470269}}
* {{cite book | last = Ridley | first = Mark | author-link = Mark Ridley (zoologist) | year = 2004 | title = Evolution | edition = 3rd | location = Malden, MA | publisher = ] | isbn = 978-1-4051-0345-9 | lccn = 2003000140 | oclc = 51330593}}
* {{cite book | last1 = Sarfati | first1 = Jonathan | author-link1 = Jonathan Sarfati | last2 = Matthews | first2 = Mike | year = 2002 | title = Refuting Evolution 2 | location = Green Forest, AR | publisher = Master Books | isbn = 978-0-89051-387-3 | lccn = 2002113698 | oclc = 54206922| url = https://archive.org/details/refutingevolutio0000sarf }}
* {{cite book | last = Scott | first = Eugenie | author-link = Eugenie Scott | title = Evolution Vs. Creationism: An Introduction | year = 2005 | orig-year = Originally published 2004; Westport, CT: ] | others = Foreword by ] | edition = 1st pbk. | location = Berkeley, CA | publisher = University of California Press | isbn = 978-0-520-24650-8 | lccn = 2005048649 | oclc = 60420899| url = https://archive.org/details/evolutionvscreat00scot }}
* {{cite book | last = Strobel | first = Lee | author-link = Lee Strobel | year = 2004 | title = The Case for a Creator: A Journalist Investigates Scientific Evidence That Points Toward God | location = Grand Rapids, MI | publisher = ] | isbn = 978-0-310-24144-7 | lccn = 2003023566 | oclc = 53398125}}
* {{cite book | last = Temple | first = Frederick | author-link = Frederick Temple | year = 1884 | title = The Relations Between Religion and Science. Eight Lectures Preached Before the University of Oxford in the Year 1884 on the Foundation of the Late Rev. John Bampton, M.A. | url = http://www.gutenberg.org/files/17194/17194-h/17194-h.htm | series = ] | location = London | publisher = ] | isbn = 978-1-108-00027-7 | lccn = 38016289 | oclc = 556953}}
* {{cite book | last = Weikart | first = Richard | author-link = Richard Weikart | year = 2004 | title = From Darwin to Hitler: Evolutionary Ethics, Eugenics, and Racism in Germany | edition = 1st | location = New York | publisher = ] | isbn = 978-1-4039-6502-8 | lccn = 2003065613 | oclc = 53485256}}
* {{cite book | last = Wells | first = Jonathan | author-link = Jonathan Wells (intelligent design advocate) | year = 2000 | title = Icons of Evolution: Science or Myth? | location = Washington, D.C. | publisher = ] | isbn = 978-0-89526-276-9 | lccn = 00062544 | oclc = 44768911| title-link = Icons of Evolution }}
* {{cite book | last = Yahya | first = Harun | author-link = Adnan Oktar | year = 1999 | orig-year = Translated from the Turkish edition of 1997 | title = The Evolution Deceit: The Scientific Collapse of Darwinism and its Ideological Background | location = Istanbul, Turkey | publisher = Okur | isbn = 978-9758415007 | lccn = 2001336710 | oclc = 46701250}}
* {{cite book | last = Young | first = David A. | year = 1988 | orig-year = Originally published 1982; Grand Rapids, MI: Zondervan | title = Christianity and the Age of the Earth | location = Thousand Oak, CA | publisher = Artisan Publishers | isbn = 978-0-934666-27-5 | lccn = 81016266 | oclc = 20135091}}
* Meyer, Stephen C., and Mark Terry. "." New York (2013).

==Further reading==
* {{cite book | editor1-last = Coleman | editor1-first = Simon | editor1-link = Simon Coleman (anthropologist) | editor2-last = Carlin | editor2-first = Leslie | year = 2004 | title = The Cultures of Creationism: Anti-Evolution in English-Speaking Countries | location = Aldershot, Hants, England; Burlington, VT | publisher = ] | isbn = 978-0-7546-0912-4 | lccn = 2003045172 | oclc = 51867865}}
* {{cite book | last = Denton | first = Michael | author-link = Michael Denton | year = 1986 | orig-year = Originally published in Great Britain in 1985 by Burnett Books Limited | title = Evolution: A Theory in Crisis | edition = 1st U.S. | location = Bethesda, MD | publisher = Adler & Adler | isbn = 978-0-917561-05-4 | lccn = 85013556 | oclc = 12214328| title-link = Evolution: A Theory in Crisis }}

==External links==
{{Wiktionary|evolution}}
* {{youTube|i-GUYY4UZNc|Video (10:56) − ''"Raising Doubts About Evolution... in Science Class"''}} − (] / ]; November 2017)

{{good article}}

{{DEFAULTSORT:Objections To Evolution}}
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Latest revision as of 05:03, 6 January 2025

Arguments that have been made against evolution
Part of a series on
Evolutionary biology
Darwin's finches by John Gould
Processes and outcomes
Natural history
History of evolutionary theory
Fields and applications
Social implications

Objections to evolution have been raised since evolutionary ideas came to prominence in the 19th century. When Charles Darwin published his 1859 book On the Origin of Species, his theory of evolution (the idea that species arose through descent with modification from a single common ancestor in a process driven by natural selection) initially met opposition from scientists with different theories, but eventually came to receive near-universal acceptance in the scientific community. The observation of evolutionary processes occurring (as well as the modern evolutionary synthesis explaining that evidence) has been uncontroversial among mainstream biologists since the 1940s.

Since then, criticisms and denials of evolution have come from religious groups, rather than from the scientific community. Although many religious groups have found reconciliation of their beliefs with evolution, such as through theistic evolution, other religious groups continue to reject evolutionary explanations in favor of creationism, the belief that the universe and life were created by supernatural forces. The U.S.-centered creation–evolution controversy has become a focal point of perceived conflict between religion and science.

Several branches of creationism, including creation science, neo-creationism, and intelligent design, argue that the idea of life being directly designed by a god or intelligence is at least as scientific as evolutionary theory, and should therefore be taught in public education. Such arguments against evolution have become widespread and include objections to evolution's evidence, methodology, plausibility, morality, and scientific acceptance. The scientific community does not recognize such objections as valid, pointing to detractors' misinterpretations of such things as the scientific method, evidence, and basic physical laws.

History

Further information: History of evolutionary thought, History of creationism, and Creation–evolution controversy
Charles Darwin's theory of evolution gained widespread acceptance as a description of the origin of species, but there was continued resistance to his views on the significance of natural selection as the mechanism of evolution.

Evolutionary ideas came to prominence in the early 19th century with the theory (developed between 1800 and 1822) of the transmutation of species put forward by Jean-Baptiste Lamarck (1744–1829). At first the scientific community – and notably Georges Cuvier (1769–1832) – opposed the idea of evolution. The idea that laws control nature and society gained vast popular audiences with George Combe's The Constitution of Man of 1828 and with the anonymous Vestiges of the Natural History of Creation of 1844. When Charles Darwin published his 1859 book On the Origin of Species, he convinced most of the scientific community that new species arise through descent through modification in a branching pattern of divergence from common ancestors, but while most scientists accepted natural selection as a valid and empirically testable hypothesis, Darwin's view of it as the primary mechanism of evolution was rejected by some.

Darwin's contemporaries eventually came to accept the transmutation of species based upon fossil evidence, and the X Club (operative from 1864 to 1893) formed to defend the concept of evolution against opposition from the church and wealthy amateurs. At that time the specific evolutionary mechanism which Darwin provided – natural selection – was actively disputed by scientists in favour of alternative theories such as Lamarckism and orthogenesis. Darwin's gradualistic account was also opposed by the ideas of saltationism and catastrophism. Lord Kelvin led scientific opposition to gradualism on the basis of his thermodynamic calculations for the age of the Earth at between 24 and 400 million years, and his views favoured a version of theistic evolution accelerated by divine guidance. Geological estimates disputed Kelvin's age of the earth, and the geological approach gained strength in 1907 when radioactive dating of rocks revealed the Earth as billions of years old. The specific hereditary mechanism which Darwin hypothesized, pangenesis, which supported gradualism, also lacked any supporting evidence and was disputed by the empirical tests (1869 onwards) of Francis Galton. Although evolution itself was scientifically unchallenged, uncertainties about the mechanism in the era of "the eclipse of Darwinism" persisted from the 1880s until the 1930s' inclusion of Mendelian inheritance and the rise of the modern evolutionary synthesis. The modern synthesis rose to universal acceptance among biologists with the help of new evidence, such as that from genetics, which confirmed Darwin's predictions and refuted the competing hypotheses.

Protestantism, especially in America, broke out in "acrid polemics" and argument about evolution from 1860 to the 1870s—with the turning point possibly marked by the death of Louis Agassiz in 1873—and by 1880 a form of "Christian evolution" was becoming the consensus. In Britain, while publication of The Descent of Man by Darwin in 1871 reinvigorated debate from the previous decade, Sir Henry Chadwick (1920–2008) notes a steady acceptance of evolution "among more educated Christians" between 1860 and 1885. As a result, evolutionary theory was "both permissible and respectable" by 1876. Frederick Temple's lectures on The Relations between Religion and Science (1884) on how evolution was not "antagonistic" to religion highlighted this trend. Temple's appointment as Archbishop of Canterbury in 1896 demonstrated the broad acceptance of evolution within the church hierarchy.

For decades the Roman Catholic Church avoided officially rejecting evolution. However, the Church would rein in Catholics who proposed that evolution could be reconciled with the Bible, as this conflicted with the First Vatican Council's (1869–70) finding that everything was created out of nothing by God, and to deny that finding could lead to excommunication. In 1950 the encyclical Humani generis of Pope Pius XII first mentioned evolution directly and officially. It allowed one to enquire into the concept of humans coming from pre-existing living matter, but not to question Adam and Eve or the creation of the soul. In 1996 Pope John Paul II labelled evolution "more than a hypothesis" and acknowledged the large body of work accumulated in its support, but reiterated that any attempt to give a material explanation of the human soul is "incompatible with the truth about man". Pope Benedict XVI in 2005 reiterated the conviction that human beings "are not some casual and meaningless product of evolution. Each of us is the result of a thought of God. Each of us is willed, each of us is loved, each of us is necessary." At the same time, Pope Benedict promoted the study of the relationship between the concepts of creation and evolution, based on the conviction that there cannot be a contradiction between faith and reason. Along these lines, the research project "Thomistic Evolution", run by a team of Dominican scholars, endeavours to reconcile the scientific evidence on evolution with the teaching of Thomas Aquinas (1225–1274).

Islamic views on evolution ranged from those believing in literal creation (as implied in the Quran) to many educated Muslims who subscribed to a version of theistic or guided evolution in which the Quran reinforced rather than contradicted mainstream science. This occurred relatively early, as medieval madrasas taught the ideas of Al-Jahiz, a Muslim scholar from the 9th century, who proposed concepts similar to natural selection. However, acceptance of evolution remains low in the Muslim world, as prominent figures reject evolution's underpinning philosophy of materialism as unsound to human origins and a denial of Allah. Further objections by Muslim authors and writers largely reflect those put forward in the Western world.

Regardless of acceptance from major religious hierarchies, early religious objections to Darwin's theory continue in use in opposition to evolution. The idea that species change over time through natural processes and that different species share common ancestors seemed to contradict the Genesis account of Creation. Believers in Biblical infallibility attacked Darwinism as heretical. The natural theology of the early-19th century was typified by William Paley's 1802 version of the watchmaker analogy, an argument from design still deployed by the creationist movement. Natural theology included a range of ideas and arguments from the outset, and when Darwin's theory was published, ideas of theistic evolution were presented in which evolution is accepted as a secondary cause open to scientific investigation, while still holding belief in God as a first cause with a non-specified role in guiding evolution and creating humans. This position has been adopted by denominations of Christianity and Judaism in line with modernist theology which views the Bible and Torah as allegorical, thus removing the conflict between evolution and religion.

However, in the 1920s Christian fundamentalists in the United States developed their literalist arguments against modernist theology into opposition to the teaching of evolution, with fears that Darwinism had led to German militarism and posed a threat to religion and morality. This opposition developed into the creation–evolution controversy, involving Christian literalists in the United States objecting to the teaching of evolution in public schools. Although early objectors dismissed evolution as contradicting their interpretation of the Bible, this argument was legally invalidated when the United States Supreme Court ruled in Epperson v. Arkansas in 1968 that forbidding the teaching of evolution on religious grounds violated the Establishment Clause.

Since then creationists have developed more nuanced objections to evolution, alleging variously that it is unscientific, infringes on creationists' religious freedoms, or that the acceptance of evolution is a religious stance. Creationists have appealed to democratic principles of fairness, arguing that evolution is controversial and that science classrooms should therefore "Teach the Controversy". These objections to evolution culminated in the intelligent-design movement in the 1990s and early 2000s that unsuccessfully attempted to present itself as a scientific alternative to evolution.

Defining evolution

A major source of confusion and ambiguity in any creation–evolution debate arises from the definition of evolution itself. In the context of biology, evolution is genetic changes in populations of organisms over successive generations. The word also has a number of different meanings in different fields, from evolutionary computation to molecular evolution to sociocultural evolution to stellar and galactic evolution.

White peppered mothBlack morph in peppered moth evolution. Even minor variation in a population can lead to evolution by natural selection.

Evolution in colloquial contexts can refer to any sort of "progressive" development or gradual improvement, and a process that results in greater quality or complexity. When misapplied to biological evolution this common meaning can lead to frequent misunderstandings. For example, the idea of devolution ("backwards" evolution) is a result of erroneously assuming that evolution is directional or has a specific goal in mind (cf. orthogenesis). In reality, the evolution of a biological organism has no "objective" and is only showing increasing ability of successive generations to survive and reproduce in their environment; and increased suitability is only defined in relation to this environment. Biologists do not regard any one species (such as humans) as more highly evolved or advanced than another. Certain sources have been criticized for indicating otherwise due to a tendency to evaluate nonhuman organisms according to anthropocentric standards rather than according to more objective ones.

Evolution also does not require that organisms become more complex. Although the biological development of different forms of life shows an apparent trend towards the evolution of biological complexity, there is a question as to whether this appearance of increased complexity is real, or whether it comes from neglecting the fact that the majority of life on Earth has always consisted of prokaryotes. In this view, complexity is not a necessary consequence of evolution, but specific circumstances of evolution on Earth frequently made greater complexity advantageous and thus naturally selected for. Depending on the situation, organisms' complexity can either increase, decrease, or stay the same, and all three of these trends have been observed in studies of evolution.

Creationist sources frequently define evolution according to a colloquial, rather than the scientific meaning. As a result, many attempts to rebut evolution do not address the findings of evolutionary biology (see straw-man argument). This also means that advocates of creationism and evolutionary biologists often simply speak past each other.

Scientific acceptance

Status as a theory

Further information: Evolution as fact and theory

Critics of evolution assert that evolution is "just a theory", which emphasizes that scientific theories are never absolute, or misleadingly presents it as a matter of opinion rather than of fact or evidence. This reflects a difference of the meaning of theory in a scientific context: whereas in colloquial speech a theory is a conjecture or guess, in science, a theory is an explanation whose predictions have been verified by experiments or other evidence. Evolutionary theory refers to an explanation for the diversity of species and their ancestry which has met extremely high standards of scientific evidence. An example of evolution as theory is the modern synthesis of Darwinian natural selection and Mendelian inheritance. As with any scientific theory, the modern synthesis is constantly debated, tested, and refined by scientists, but there is an overwhelming consensus in the scientific community that it remains the only robust model that accounts for the known facts concerning evolution.

Critics also state that evolution is not a fact. In science a fact is a verified empirical observation while in colloquial contexts a fact can simply refer to anything for which there is overwhelming evidence. For example, in common usage theories such as "the Earth revolves around the Sun" and "objects fall due to gravity" may be referred to as "facts", even though they are purely theoretical. From a scientific standpoint, therefore, evolution may be called a "fact" for the same reason that gravity can: under the scientific definition, evolution is an observable process that occurs whenever a population of organisms genetically changes over time. Under the colloquial definition, the theory of evolution can also be called a fact, referring to this theory's well-established nature. Thus, evolution is widely considered both a theory and a fact by scientists.

Similar confusion is involved in objections that evolution is "unproven", since no theory in science is known to be absolutely true, only verified by empirical evidence. This distinction is an important one in philosophy of science, as it relates to the lack of absolute certainty in all empirical claims, not just evolution. Strict proof is possible only in formal sciences such as logic and mathematics, not natural sciences (where terms such as "validated" or "corroborated" are more appropriate). Thus, to say that evolution is not proven is trivially true, but no more an indictment of evolution than calling it a "theory". The confusion arises in that the colloquial meaning of proof is simply "compelling evidence", in which case scientists would indeed consider evolution "proven".

Degree of acceptance

Further information: Level of support for evolution

An objection is often made in the teaching of evolution that evolution is controversial or contentious. Unlike past creationist arguments which sought to abolish the teaching of evolution altogether, this argument makes the claim that evolution should be presented alongside alternative views since it is controversial, and students should be allowed to evaluate and choose between the options on their own.

This objection forms the basis of the "Teach the Controversy" campaign by the Discovery Institute, a think tank based in Seattle, Washington, to promote the teaching of intelligent design in U.S. public schools. This goal followed the Institute's "wedge strategy", an attempt to gradually undermine evolution and ultimately to "reverse the stifling dominance of the materialist worldview, and to replace it with a science consonant with Christian and theistic convictions." Several other attempts were made to insert intelligent design or creationism into the U.S. public school curriculum, including the failed Santorum Amendment in 2001.

Scientists and U.S. courts have rejected this objection on the grounds that science is not based on appeals to popularity, but on evidence. The scientific consensus of biologists determines what is considered acceptable science, not popular opinion or fairness, and although evolution is controversial in the public arena, it is entirely uncontroversial among experts in the field.

In response, creationists have disputed the level of scientific support for evolution. The Discovery Institute has gathered over 761 scientists as of August 2008 to sign A Scientific Dissent From Darwinism in order to show that there are a number of scientists who dispute what they refer to as "Darwinian evolution". This statement did not profess outright disbelief in evolution, but expressed skepticism as to the ability of "random mutation and natural selection to account for the complexity of life." Several counter-petitions have been launched in turn, including A Scientific Support for Darwinism, which gathered over 7,000 signatures in four days, and Project Steve, a tongue-in-cheek petition that has gathered the signatures of 1,497 (as of May 22, 2024) evolution-supporting scientists named "Steve" (or any similar variation thereof—Stephen, Stephanie, Esteban, etc.).

Creationists have argued for over a century that evolution is a "theory in crisis" that will soon be overturned, based on objections that it lacks reliable evidence or violates natural laws. These objections have been rejected by most scientists, as have claims that intelligent design, or any other creationist explanation, meets the basic scientific standards that would be required to make them scientific alternatives to evolution. It is also argued that even if evidence against evolution exists, it is a false dilemma to characterize this as evidence for intelligent design.

A similar objection to evolution is that certain scientific authorities—mainly pre-modern ones—have doubted or rejected evolution. Most commonly, it is argued that Darwin "recanted" on his deathbed, a false anecdote originating from Lady Hope's story. These objections are generally rejected as appeals to authority.

Scientific status

A common neo-creationist objection to evolution is that evolution does not adhere to normal scientific standards—that it is not genuinely scientific. It is argued that evolutionary biology does not follow the scientific method and therefore should not be taught in science classes, or at least should be taught alongside other views (i.e., creationism). These objections often deal with:

Religious nature

Further information: Relationship between religion and science and Scientism

Creationists commonly argue that "evolution is a religion; it is not a science." The purpose of this criticism is to reframe the debate from one between science (evolution) and religion (creationism) to between two religious beliefs—or even to argue that evolution is religious while intelligent design is not. Those that oppose evolution frequently refer to supporters of evolution as "evolutionists" or "Darwinists".

The arguments for evolution being a religion generally amount to arguments by analogy: it is argued that evolution and religion have one or more things in common, and that therefore evolution is a religion. Examples of claims made in such arguments are statements that evolution is based on faith, and that supporters of evolution dogmatically reject alternative suggestions out-of-hand. These claims have become more popular in recent years as the neo-creationist movement has sought to distance itself from religion, thus giving it more reason to make use of a seemingly anti-religious analogy.

Supporters of evolution have argued in response that no scientist's claims are treated as sacrosanct, as shown by the aspects of Darwin's theory that have been rejected or revised by scientists over the years to form first neo-Darwinism and later the modern evolutionary synthesis. The claim that evolution relies on faith is likewise rejected on the grounds that evolution has strong supporting evidence, and therefore does not require faith.

The argument that evolution is religious has been rejected in general on the grounds that religion is not defined by how dogmatic or zealous its adherents are, but by its spiritual or supernatural beliefs. But evolution is neither dogmatic nor based on faith, and they accuse creationists of equivocating between the strict definition of religion and its colloquial usage to refer to anything that is enthusiastically or dogmatically engaged in. United States courts have also rejected this objection:

Assuming for the purposes of argument, however, that evolution is a religion or religious tenet, the remedy is to stop the teaching of evolution, not establish another religion in opposition to it. Yet it is clearly established in the case law, and perhaps also in common sense, that evolution is not a religion and that teaching evolution does not violate the Establishment Clause, Epperson v. Arkansas, supra, Willoughby v. Stever, No. 15574-75 (D.D.C. May 18, 1973); aff'd. 504 F.2d 271 (D.C. Cir. 1974), cert. denied, 420 U.S. 924 (1975); Wright v. Houston Indep. School Dist., 366 F. Supp. 1208 (S.D. Tex 1978), aff.d. 486 F.2d 137 (5th Cir. 1973), cert. denied 417 U.S. 969 (1974).

A related claim is that evolution is atheistic (see the Atheism section below); creationists sometimes merge the two claims and describe evolution as an "atheistic religion" (cf. humanism). This argument against evolution is also frequently generalized into a criticism of all science; it is argued that "science is an atheistic religion", on the grounds that its methodological naturalism is as unproven, and thus as "faith-based", as the supernatural and theistic beliefs of creationism.

Unfalsifiability

A statement is considered falsifiable if there is an observation or a test that could be made that would demonstrate that the statement is false. Statements that are not falsifiable cannot be examined by scientific investigation since they permit no tests that evaluate their accuracy. Creationists such as Henry M. Morris have claimed that any observation can be fitted into the evolutionary framework, so it is impossible to demonstrate that evolution is wrong and therefore evolution is non-scientific.

Evolution could be falsified by many conceivable lines of evidence, such as:

  • the fossil record showing no change over time,
  • confirmation that mutations are prevented from accumulating in a population, or
  • observations of organisms being created supernaturally or spontaneously.

J. B. S. Haldane, when asked what hypothetical evidence could disprove evolution, replied "fossil rabbits in the Precambrian era." Numerous other potential ways to falsify evolution have also been proposed. For example, the fact that humans have one fewer pair of chromosomes than the great apes offered a testable hypothesis involving the fusion or splitting of chromosomes from a common ancestor. The fusion hypothesis was confirmed in 2005 by discovery that human chromosome 2 is homologous with a fusion of two chromosomes that remain separate in other primates. Extra, inactive telomeres and centromeres remain on human chromosome 2 as a result of the fusion. The assertion of common descent could also have been disproven with the invention of DNA sequencing methods. If true, human DNA should be far more similar to chimpanzees and other great apes, than to other mammals. If not, then common descent is falsified. DNA analysis has shown that humans and chimpanzees share a large percentage of their DNA (between 95% and 99.4% depending on the measure). Also, the evolution of chimpanzees and humans from a common ancestor predicts a (geologically) recent common ancestor. Numerous transitional fossils have since been found. Hence, human evolution has passed several falsifiable tests.

Many of Darwin's ideas and assertions of fact have been falsified as evolutionary science has developed, but these amendments and falsifications have uniformly confirmed his central concepts. In contrast, creationist explanations involving the direct intervention of the supernatural in the physical world are not falsifiable, because any result of an experiment or investigation could be the unpredictable action of an omnipotent deity.

In 1976, the philosopher Karl Popper said that "Darwinism is not a testable scientific theory but a metaphysical research programme." He later changed his mind and argued that Darwin's "theory of natural selection is difficult to test" with respect to other areas of science.

In his 1982 book, Abusing Science: The Case Against Creationism, philosopher of science Philip Kitcher specifically addresses the "falsifiability" question by taking into account notable philosophical critiques of Popper by Carl Gustav Hempel and Willard Van Orman Quine and provides a definition of theory other than as a set of falsifiable statements. As Kitcher points out, if one took a strictly Popperian view of "theory", observations of Uranus when it was first discovered in 1781 would have "falsified" Isaac Newton's celestial mechanics. Rather, people suggested that another planet influenced Uranus' orbit—and this prediction was indeed eventually confirmed. Kitcher agrees with Popper that "there is surely something right in the idea that a science can succeed only if it can fail." But he insists that we view scientific theories as consisting of an "elaborate collection of statements", some of which are not falsifiable, and others—what he calls "auxiliary hypotheses", which are.

Tautological nature

A related claim to the supposed unfalsifiability of evolution is that natural selection is tautological. Specifically, it is often argued that the phrase "survival of the fittest" is a tautology, in that fitness is defined as ability to survive and reproduce. This phrase was first used by Herbert Spencer in 1864 but is rarely used by biologists. Additionally, fitness is more accurately defined as the state of possessing traits that make survival more likely; this definition, unlike simple "survivability", avoids being trivially true.

Similarly, it is argued that evolutionary theory is circular reasoning, in that evidence is interpreted as supporting evolution, but evolution is required to interpret the evidence. An example of this is the claim that geological strata are dated through the fossils they hold, but that fossils are in turn dated by the strata they are in. However, in most cases strata are not dated by their fossils, but by their position relative to other strata and by radiometric dating, and most strata were dated before the theory of evolution was formulated.

Evidence

Further information: Evidence of common descent

Objections to the fact that evolution occurs tend to focus on specific interpretations about the evidence.

Lack of observation

Transitional species such as the Archaeopteryx have been a fixture of the creation–evolution debate for almost 150 years.

A common claim of creationists is that evolution has never been observed. Challenges to such objections often come down to debates over how evolution is defined (see the Defining evolution section above). Under the conventional biological definition of evolution, it is a simple matter to observe evolution occurring. Evolutionary processes, in the form of populations changing their genetic composition from generation to generation, have been observed in different scientific contexts, including the evolution of fruit flies, mice, and bacteria in the laboratory, and of tilapia in the field. Such studies on experimental evolution, particularly those using microorganisms, are now providing important insights into how evolution occurs, especially in the case of antibiotic resistance.

In response to such examples, creationists say there are two major subdivisions of evolution to be considered, microevolution and macroevolution, and it is questionable if macro-evolution has been physically observed to occur. Most creationist organizations do not dispute the occurrence of short-term, relatively minor evolutionary changes, such as that observed even in dog breeding. Rather, they dispute the occurrence of major evolutionary changes over long periods of time, which by definition cannot be directly observed, only inferred from microevolutionary processes and the traces of macroevolutionary ones.

As biologists define macroevolution, both microevolution and macroevolution have been observed. Speciations, for example, have been directly observed many times. Additionally, the modern evolutionary synthesis draws no distinction in the processes described by the theory of evolution when considering macroevolution and microevolution as the former is simply at the species level or above and the latter is below the species level. An example of this is ring species.

Additionally, past macroevolution can be inferred from historical traces. Transitional fossils, for example, provide plausible links between several different groups of organisms, such as Archaeopteryx linking birds and non-avian dinosaurs, or the Tiktaalik linking fish and limbed amphibians. Creationists dispute such examples, from asserting that such fossils are hoaxes or that they belong exclusively to one group or the other, to asserting that there should be far more evidence of obvious transitional species. Darwin himself found the paucity of transitional species to be one of the greatest weaknesses of his theory:

Why then is not every geological formation and every stratum full of such intermediate links? Geology assuredly does not reveal any such finely graduated organic chain and this, perhaps, is the most obvious and gravest objection which can be urged against my theory. The explanation lies, as I believe, in the extreme imperfection of the geological record.

Darwin appealed to the limited collections then available, the extreme lengths of time involved, and different rates of change with some living species differing very little from fossils of the Silurian period. In later editions he added "that the periods during which species have been undergoing modification, though very long as measured by years, have probably been short in comparison with the periods during which these same species remained without undergoing any change." The number of clear transitional fossils has increased enormously since Darwin's day, and this problem has been largely resolved with the advent of the theory of punctuated equilibrium, which predicts a primarily stable fossil record broken up by occasional major speciations.

As more and more compelling direct evidence for inter-species and species-to-species evolution has been gathered, creationists have redefined their understanding of what amounts to "created kinds", and have continued to insist that more dramatic demonstrations of evolution be experimentally produced. One version of this objection is "Were you there?", popularized by young Earth creationist Ken Ham. It argues that because no one except God could directly observe events in the distant past, scientific claims are just speculation or "story-telling". DNA sequences of the genomes of organisms allow an independent test of their predicted relationships, since species which diverged more recently will be more closely related genetically than species which are more distantly related; such phylogenetic trees show a hierarchical organization within the tree of life, as predicted by common descent.

In fields such as astrophysics or meteorology, where direct observation or laboratory experiments are difficult or impossible, the scientific method instead relies on observation and logical inference. In such fields, the test of falsifiability is satisfied when a theory is used to predict the results of new observations. When such observations contradict a theory's predictions, it may be revised or discarded if an alternative better explains the observed facts. For example, Newton's theory of gravitation was replaced by Albert Einstein's theory of general relativity when the latter was observed to more precisely predict the orbit of Mercury.

Unreliable evidence

A related objection is that evolution is based on unreliable evidence, claiming that evolution is not even well-evidenced. Typically, this is either based on the argument that evolution's evidence is full of frauds and hoaxes, that current evidence for evolution is likely to be overturned as some past evidence has been, or that certain types of evidence are inconsistent and dubious.

Arguments against evolution's reliability are thus often based on analyzing the history of evolutionary thought or the history of science in general. Creationists point out that in the past, major scientific revolutions have overturned theories that were at the time considered near-certain. They thus claim that current evolutionary theory is likely to undergo such a revolution in the future, on the basis that it is a "theory in crisis" for one reason or another.

George Romanes' 1892 copy of Ernst Haeckel's embryo drawings, often attributed incorrectly to Haeckel

Critics of evolution commonly appeal to past scientific hoaxes such as the Piltdown Man forgery. It is argued that because scientists have been mistaken and deceived in the past about evidence for various aspects of evolution, the current evidence for evolution is likely to also be based on fraud and error. Much of the evidence for evolution has been accused of being fraudulent at various times, including Archaeopteryx, peppered moth melanism, and Darwin's finches; these claims have been subsequently refuted.

It has also been claimed that certain former pieces of evidence for evolution which are now considered out-of-date and erroneous, such as Ernst Haeckel's 19th-century comparative drawings of embryos, used to illustrate his recapitulation theory ("ontogeny recapitulates phylogeny"), were not merely errors but frauds. Molecular biologist Jonathan Wells criticizes biology textbooks by alleging that they continue to reproduce such evidence after it has been debunked. In response, the National Center for Science Education notes that none of the textbooks reviewed by Wells makes the claimed error, as Haeckel's drawings are shown in a historical context with discussion about why they are wrong, and the accurate modern drawings and photos used in the textbooks are misrepresented by Wells.

Unreliable chronology

Illustrations of dog and human embryos, looking almost identical at 4 weeks then differing at 6 weeks, shown above a 6-week turtle embryo and 8 day hen embryo, presented by Haeckel in 1868 as convincing proof of evolution. The pictures of the earliest embryonic stages are now considered inaccurate.

Creationists claim that evolution relies on certain types of evidence that do not give reliable information about the past. For example, it is argued that radiometric dating technique of evaluating a material's age based on the radioactive decay rates of certain isotopes generates inconsistent and thus unreliable results. Radiocarbon dating based on the carbon-14 isotope has been particularly criticized. It is argued that radiometric decay relies on a number of unwarranted assumptions such as the principle of uniformitarianism, consistent decay rates, or rocks acting as closed systems. Such arguments have been dismissed by scientists on the grounds that independent methods have confirmed the reliability of radiometric dating as a whole; additionally, different radiometric dating methods and techniques have independently confirmed each other's results.

Another form of this objection is that fossil evidence is not reliable. This is based on a much wider range of claims. These include that there are too many "gaps" in the fossil record, that fossil-dating is circular (see the Unfalsifiability section above), or that certain fossils, such as polystrate fossils, are seemingly "out of place". Examination by geologists have found polystrate fossils to be consistent with in situ formation. It is argued that certain features of evolution support creationism's catastrophism (cf. Great Flood), rather than evolution's gradualistic punctuated equilibrium, which some assert is an ad hoc theory to explain the fossil gaps.

Plausibility

Improbability

Further information: Teleological argument, Watchmaker analogy, Evolutionary argument against naturalism, and Haldane's dilemma

A common objection to evolution is that it is simply too unlikely for life, in its complexity and apparent "design", to have arisen "by chance". It is argued that the odds of life having arisen without a deliberate intelligence guiding it are so incredibly low that it is unreasonable not to infer an intelligent designer from the natural world, and specifically from the diversity of life. A more extreme version of this argument is that evolution cannot create complex structures (see the Creation of complex structures section below). The idea that it is simply too implausible for life to have evolved is often wrongly encapsulated with a quotation that the "probability of life originating on Earth is no greater than the chance that a hurricane, sweeping through a scrapyard, would have the luck to assemble a Boeing 747"—a claim attributed to astrophysicist Fred Hoyle and known as Hoyle's fallacy. Hoyle was a Darwinist, atheist and anti-theist, but advocated the theory of panspermia, in which abiogenesis begins in outer space and primitive life on Earth is held to have arrived via natural dispersion.

Views superficially similar, but unrelated to Hoyle's, are thus invariably justified with arguments from analogy. The basic idea of this argument for a designer is the teleological argument, an argument for the existence of God based on the perceived order or purposefulness of the universe. A common way of using this as an objection to evolution is by appealing to the 18th-century philosopher William Paley's watchmaker analogy, which argues that certain natural phenomena are analogical to a watch (in that they are ordered, or complex, or purposeful), which means that, like a watch, they must have been designed by a "watchmaker"—an intelligent agent. This argument forms the core of intelligent design, a neo-creationist movement seeking to establish certain variants of the design argument as legitimate science, rather than as philosophy or theology, and have them be taught alongside evolution.

Because the theory of evolution is often thought of as the idea that life arose "by chance", design arguments such as William Paley's watchmaker analogy of 1802 have long been popular objections to the theory: Paley's book included a response to the proto-evolutionary ideas of Erasmus Darwin.

Supporters of evolution generally respond by arguing that this objection is simply an argument by lack of imagination, or argument from incredulity: a certain explanation is seen as being counterintuitive, and therefore an alternate, more intuitive explanation is appealed to instead. In actuality, evolution is not based on "chance", but on predictable chemical interactions: natural processes, rather than supernatural beings, are the "designer". Although the process involves some random elements, it is the non-random selection of survival-enhancing genes that drives the evolution of complex and ordered patterns. The fact that the results are ordered and seem "designed" is no more evidence for a supernatural intelligence than the appearance of complex non-living phenomena (e.g. snowflakes). It is also argued that there is insufficient evidence to make statements about the plausibility or implausibility of abiogenesis, that certain structures demonstrate poor design, and that the implausibility of life evolving exactly as it did is no more evidence for an intelligence than the implausibility of a deck of cards being shuffled and dealt in a certain random order.

It has also been noted that arguments against some form of life arising "by chance" are really objections to nontheistic abiogenesis, not to evolution. Indeed, arguments against "evolution" are based on the misconception that abiogenesis is a component of, or necessary precursor to, evolution. Similar objections sometimes conflate the Big Bang with evolution.

Christian apologist and philosopher Alvin Plantinga, who believes evolution must have been guided if it occurred, has formalized and revised the improbability argument as the evolutionary argument against naturalism, which asserts that it is irrational to reject a supernatural, intelligent creator because the apparent probability of certain faculties evolving is so low. Specifically, Plantinga claims that evolution cannot account for the rise of reliable reasoning faculties. Plantinga argues that whereas a God would be expected to create beings with reliable reasoning faculties, evolution would be just as likely to lead to unreliable ones, meaning that if evolution is true, it is irrational to trust whatever reasoning one relies on to conclude that it is true. This novel epistemological argument has been criticized similarly to other probabilistic design arguments. It has also been argued that rationality, if conducive to survival, is more likely to be selected for than irrationality, making the natural development of reliable cognitive faculties more likely than unreliable ones.

A related argument against evolution is that most mutations are harmful. However, the vast majority of mutations are neutral, and the minority of mutations which are beneficial or harmful are often situational; a mutation that is harmful in one environment may be helpful in another.

Unexplained aspects of the natural world

See also: Argument from ignorance
1880 photo of the Berlin Archaeopteryx specimen, showing leg feathers that were removed subsequently, during preparation.

In addition to complex structures and systems, among the phenomena that critics variously claim evolution cannot explain are consciousness, hominid intelligence, instincts, emotions, metamorphosis, photosynthesis, homosexuality, music, language, religion, morality, and altruism (see altruism in animals). Most of these, such as hominid intelligence, instinct, emotion, photosynthesis, language, and altruism, have been well-explained by evolution, while others remain mysterious, or only have preliminary explanations. No alternative explanation has been able to adequately explain the biological origin of these phenomena either.

Creationists argue against evolution on the grounds that it cannot explain certain non-evolutionary processes, such as abiogenesis, the Big Bang, or the meaning of life. In such instances, evolution is being redefined to refer to the entire history of the universe, and it is argued that if one aspect of the universe is seemingly inexplicable, the entire body of scientific theories must be baseless. At this point, objections leave the arena of evolutionary biology and become general scientific or philosophical disputes.

Astronomers Fred Hoyle and Chandra Wickramasinghe have argued in favor of cosmic ancestry, and against abiogenesis and evolution.

Impossibility

This class of objections is more radical than the above, claiming that a major aspect of evolution is not merely unscientific or implausible, but rather impossible, because it contradicts some other law of nature or is constrained in such a way that it cannot produce the biological diversity of the world.

Creation of complex structures

Further information: Irreducible complexity
The bacterial flagellum has been invoked in creation science and in intelligent design to illustrate the concept of irreducible complexity. Careful analysis shows that there are no major obstacles to a gradual evolution of flagella.

Living things have fantastically intricate features—at the anatomical, cellular and molecular level— that could not function if they were any less complex or sophisticated. The only prudent conclusion is that they are the products of intelligent design, not evolution.

— Jonathan Sarfati, quoting Scientific American editor John Rennie

Modern evolutionary theory posits that all biological systems must have evolved incrementally, through a combination of natural selection and genetic drift. Both Darwin and his early detractors recognized the potential problems that could arise for his theory of natural selection if the lineage of organs and other biological features could not be accounted for by gradual, step-by-step changes over successive generations; if all the intermediary stages between an initial organ and the organ it will become are not all improvements upon the original, it will be impossible for the later organ to develop by the process of natural selection alone. Complex organs such as the eye had been presented by William Paley as exemplifying the need for design by God, and anticipating early criticisms that the evolution of the eye and other complex organs seemed impossible, Darwin noted that:

eason tells me, that if numerous gradations from a perfect and complex eye to one very imperfect and simple, each grade being useful to its possessor, can be shown to exist; if further, the eye does vary ever so slightly, and the variations be inherited, which is certainly the case; and if any variation or modification in the organ be ever useful to an animal under changing conditions of life, then the difficulty of believing that a perfect and complex eye could be formed by natural selection, though insuperable by our imagination, can hardly be considered real.

Similarly, ethologist and evolutionary biologist Richard Dawkins said on the topic of the evolution of the feather in an interview for the television program The Atheism Tapes:

There's got to be a series of advantages all the way in the feather. If you can't think of one, then that's your problem not natural selection's problem... It's perfectly possible feathers began as fluffy extensions of reptilian scales to act as insulators... The earliest feathers might have been a different approach to hairiness among reptiles keeping warm.

Creationist arguments have been made such as "What use is half an eye?" and "What use is half a wing?". Research has confirmed that the natural evolution of the eye and other intricate organs is entirely feasible. Creationist claims have persisted that such complexity evolving without a designer is inconceivable and this objection to evolution has been refined in recent years as the more sophisticated irreducible complexity argument of the intelligent design movement, formulated by Michael Behe. Biochemist Michael Behe has argued that current evolutionary theory cannot account for certain complex structures, particularly in microbiology. On this basis, Behe argues that such structures were "purposely arranged by an intelligent agent".

Irreducible complexity is the idea that certain biological systems cannot be broken down into their constituent parts and remain functional, and therefore that they could not have evolved naturally from less complex or complete systems. Whereas past arguments of this nature generally relied on macroscopic organs, Behe's primary examples of irreducible complexity have been cellular and biochemical in nature. He has argued that the components of systems such as the blood clotting cascade, the immune system, and the bacterial flagellum are so complex and interdependent that they could not have evolved from simpler systems.

In fact, my argument for intelligent design is open to direct experimental rebuttal. Here is a thought experiment that makes the point clear. In Darwin's Black Box I claimed that the bacterial flagellum was irreducibly complex and so required deliberate intelligent design. The flip side of this claim is that the flagellum can't be produced by natural selection acting on random mutation, or any other unintelligent process. To falsify such a claim, a scientist could go into the laboratory, place a bacterial species lacking a flagellum under some selective pressure (for mobility, say), grow it for ten thousand generations, and see if a flagellum—or any equally complex system—was produced. If that happened, my claims would be neatly disproven.

— Michael Behe

In the years since Behe proposed irreducible complexity, new developments and advances in biology such as an improved understanding of the evolution of flagella, have already undermined these arguments. The idea that seemingly irreducibly complex systems cannot evolve has been refuted through evolutionary mechanisms, such as exaptation (the adaptation of organs for entirely new functions) and the use of "scaffolding", which are initially necessary features of a system that later degenerate when they are no longer required. Potential evolutionary pathways have been provided for all of the systems Behe used as examples of irreducible complexity.

Cambrian explosion complexity argument

Further information: Cambrian explosion

The Cambrian explosion was the relatively rapid appearance around 539 million years ago of most major animal phyla as demonstrated in the fossil record, and many more phyla now extinct. This was accompanied by major diversification of other organisms. Prior to the Cambrian explosion most organisms were simple, composed of individual cells occasionally organized into colonies. Over the following 70 or 80 million years the rate of diversification accelerated by an order of magnitude and the diversity of life began to resemble that of today, although they did not resemble the species of today.

The basic problem with this is that natural selection calls for the slow accumulation of changes, where a new phylum would take longer than a new class which would take longer than a new order, which would take longer than a new family, which would take longer than a new genus would take longer than emergence of a new species but the apparent occurrence of high-level taxa without precedents is perhaps implying unusual evolutionary mechanisms.

There is general consensus that many factors helped trigger the rise of new phyla, but there is no generally accepted consensus about the combination and the Cambrian explosion continues to be an area of controversy and research over why so rapid, why at the phylum level, why so many phyla then and none since, and even if the apparent fossil record is accurate. Some recent advances suggest that there is no clearly definable "Cambrian Explosion" event in the fossil record, but rather that there was a progression of transitional radiations starting with the Ediacaran period and continuing at a similar rate into the Cambrian.

An example of opinions involving the commonly cited rise in oxygen Great Oxidation Event from biologist PZ Myers summarizes: "What it was was environmental changes, in particular the bioturbation revolution caused by the evolution of worms that released buried nutrients, and the steadily increasing oxygen content of the atmosphere that allowed those nutrients to fuel growth; ecological competition, or a kind of arms race, that gave a distinct selective advantage to novelties that allowed species to occupy new niches; and the evolution of developmental mechanisms that enabled multicellular organisms to generate new morphotypes readily." The increase in molecular oxygen (O2) also may have allowed the formation of the protective ozone layer (O3) that helps shield Earth from lethal UV radiation from the Sun.

Creation of information

Further information: Biosemiotics

A recent objection of creationists to evolution is that evolutionary mechanisms such as mutation cannot generate new information. Creationists such as William A. Dembski, Werner Gitt, and Lee Spetner have attempted to use information theory to dispute evolution. Dembski has argued that life demonstrates specified complexity, and proposed a law of conservation of information that extremely improbable "complex specified information" could be conveyed by natural means but never originated without an intelligent agent. Gitt asserted that information is an intrinsic characteristic of life and that an analysis demonstrates the mind and will of their Creator.

These claims have been widely rejected by the scientific community, which asserts that new information is regularly generated in evolution whenever a novel mutation or gene duplication arises. Dramatic examples of entirely new and unique traits arising through mutation have been observed in recent years, such as the evolution of nylon-eating bacteria which developed new enzymes to efficiently digest a material that never existed before the modern era. There is no need to account for the creation of information when an organism is considered together with the environment it evolved in. The information in the genome forms a record of how it was possible to survive in a particular environment. The information is gathered from the environment through trial and error, as mutating organisms either reproduce or fail.

The concept of specified complexity is widely regarded as mathematically unsound and has not been the basis for further independent work in information theory, in the theory of complex systems, or in biology.

Violation of the second law of thermodynamics

Further information: Entropy and life
Since Earth receives energy from the Sun, it is an open system. The second law of thermodynamics applies only to isolated systems.

Another objection is that evolution violates the second law of thermodynamics. The law states that "the entropy of an isolated system not in equilibrium will tend to increase over time, approaching a maximum value at equilibrium". In other words, an isolated system's entropy (a measure of the dispersal of energy in a physical system so that it is not available to do mechanical work) will tend to increase or stay the same, not decrease. Creationists argue that evolution violates this physical law by requiring an increase in order (i.e., a decrease in entropy).

The claims have been criticized for ignoring that the second law only applies to isolated systems. Organisms are open systems as they constantly exchange energy and matter with their environment: for example animals eat food and excrete waste, and radiate and absorb heat. It is argued that the Sun-Earth-space system does not violate the second law because the enormous increase in entropy due to the Sun and Earth radiating into space dwarfs the local decrease in entropy caused by the existence and evolution of self-organizing life.

Since the second law of thermodynamics has a precise mathematical definition, this argument can be analyzed quantitatively. This was done by physicist Daniel F. Styer, who concluded: "Quantitative estimates of the entropy involved in biological evolution demonstrate that there is no conflict between evolution and the second law of thermodynamics."

In a published letter to the editor of The Mathematical Intelligencer titled "How anti-evolutionists abuse mathematics", mathematician Jason Rosenhouse stated:

The fact is that natural forces routinely lead to local decreases in entropy. Water freezes into ice and fertilised eggs turn into babies. Plants use sunlight to convert carbon dioxide and water into sugar and oxygen, but not invoke divine intervention to explain the process ... thermodynamics offers nothing to dampen our confidence in Darwinism.

Moral implications

Other common objections to evolution allege that evolution leads to objectionable results, such as eugenics and Nazi racial theory. It is argued that the teaching of evolution degrades values, undermines morals, and fosters irreligion or atheism. These may be considered appeals to consequences (a form of logical fallacy), as the potential ramifications of belief in evolutionary theory have nothing to do with its truth.

Humans as animals

In biological classification, humans are animals, a basic point which has been known for more than 2,000 years. Aristotle already described man as a political animal and Porphyry defined man as a rational animal, a definition accepted by the Scholastic philosophers in the Middle Ages. The creationist J. Rendle-Short asserted in Creation magazine that if people are taught evolution they can be expected to behave like animals: since animals behave in all sorts of different ways, this is meaningless. In evolutionary terms, humans are able to acquire knowledge and change their behaviour to meet social standards, so humans behave in the manner of other humans.

Social effects

Further information: Social effects of evolutionary theory
1871 caricature of Charles Darwin as an ape
Thomas Henry Huxley's book Man's Place in Nature (1863) was the first devoted to human evolution and an early example of comparative biology.

In 1917, Vernon Kellogg published Headquarters Nights: A Record of Conversations and Experiences at the Headquarters of the German Army in France and Belgium, which asserted that German intellectuals were totally committed to might-makes-right due to "whole-hearted acceptance of the worst of Neo-Darwinism, the Allmacht of natural selection applied rigorously to human life and society and Kultur." This strongly influenced the politician William Jennings Bryan, who saw Darwinism as a moral threat to America and campaigned against evolutionary theory; his campaign culminated in the Scopes Trial, which effectively prevented teaching of evolution in most public schools until the 1960s.

R. Albert Mohler, Jr., president of the Southern Baptist Theological Seminary in Louisville, Kentucky, wrote August 8, 2005, in NPR's Taking Issue essay series, that "Debates over education, abortion, environmentalism, homosexuality and a host of other issues are really debates about the origin — and thus the meaning — of human life. ...evolutionary theory stands at the base of moral relativism and the rejection of traditional morality."

Henry M. Morris, engineering professor and founder of the Creation Research Society and the Institute of Creation Research, claims that evolution was part of a pagan religion that emerged after the Tower of Babel, was part of Plato's and Aristotle's philosophies, and was responsible for everything from war to pornography to the breakup of the nuclear family. He has also claimed that perceived social ills like crime, teenage pregnancies, homosexuality, abortion, immorality, wars, and genocide are caused by a belief in evolution.

Pastor D. James Kennedy of The Center for Reclaiming America for Christ and Coral Ridge Ministries claims that Darwin was responsible for Adolf Hitler's atrocities. In Kennedy's documentary and the accompanying pamphlet with the same title, Darwin's Deadly Legacy, Kennedy states that "To put it simply, no Darwin, no Hitler." In his efforts to expose the "harmful effects that evolution is still having on our nation, our children, and our world," Kennedy also states that, "We have had 150 years of the theory of Darwinian evolution, and what has it brought us? Whether Darwin intended it or not, millions of deaths, the destruction of those deemed inferior, the devaluing of human life, increasing hopelessness." The Discovery Institute's Center for Science and Culture fellow Richard Weikart has made similar claims, as have other creationists. The claim was central to the documentary film Expelled: No Intelligence Allowed (2008) promoting intelligent design creationism. The Anti-Defamation League describes such claims as outrageous misuse of the Holocaust and its imagery, and as trivializing the "...many complex factors that led to the mass extermination of European Jewry. Hitler did not need Darwin or evolution to devise his heinous plan to exterminate the Jewish people, and Darwin and evolutionary theory cannot explain Hitler's genocidal madness. Moreover, anti-Semitism existed long before Darwin ever wrote a word."

Young Earth creationist Kent Hovind blames a long list of social ills on evolution, including communism, socialism, World War I, World War II, racism, the Holocaust, Stalin's war crimes, the Vietnam War, Pol Pot's Killing Fields, the increase in crime and unwed mothers. Hovind's son Eric Hovind claims that evolution is responsible for tattoos, body piercing, premarital sex, unwed births, sexually transmitted diseases (STDs), divorce, and child abuse.

Such accusations are counterfactual, and there is evidence that the opposite seems to be the case. A study published by the author and illustrator Gregory S. Paul found that religious beliefs, including belief in creationism and disbelief in evolution, are positively correlated with social ills like crime. The Barna Group surveys find that Christians and non-Christians in the U.S. have similar divorce rates, and the highest divorce rates in the U.S. are among Baptists and Pentecostals, both sects which reject evolution and embrace creationism.

Michael Shermer argued in Scientific American in October 2006 that evolution supports concepts like family values, avoiding lies, fidelity, moral codes and the rule of law. He goes on to suggest that evolution gives more support to the notion of an omnipotent creator, rather than a tinkerer with limitations based on a human model, the more common image subscribed to by creationists. Careful analysis of the creationist charges that evolution has led to moral relativism and the Holocaust yields the conclusion that these charges appear to be highly suspect. Such analyses conclude that the origins of the Holocaust are more likely to be found in historical Christian antisemitism than in evolution.

Evolution has been used to justify Social Darwinism, the exploitation of so-called "lesser breeds without the law" by "superior races", particularly in the nineteenth century. Typically strong European nations that had successfully expanded their empires could be said to have "survived" in the struggle for dominance. With this attitude, Europeans except for Christian missionaries rarely adopted any customs and languages of local people under their empires. Creationists have frequently maintained that Social Darwinism—leading to policies designed to reward the most competitive—is a logical consequence of "Darwinism" (the theory of natural selection in biology). Biologists and historians have stated that this is a fallacy of appeal to nature, since the theory of natural selection is merely intended as a description of a biological phenomenon and should not be taken to imply that this phenomenon is good or that it ought to be used as a moral guide in human society.

Atheism

Further information: Atheism

Another charge leveled at evolutionary theory by creationists is that belief in evolution is either tantamount to atheism, or conducive to atheism. It is commonly claimed that all proponents of evolutionary theory are "materialistic atheists". On the other hand, Davis A. Young argues that creation science itself is harmful to Christianity because its bad science will turn more away than it recruits. Young asks, "Can we seriously expect non-Christians to develop a respect for Christianity if we insist on teaching the brand of science that creationism brings with it?" However, evolution neither requires nor rules out the existence of a supernatural being. Philosopher Robert T. Pennock makes the comparison that evolution is no more atheistic than plumbing. H. Allen Orr, professor of biology at University of Rochester, notes that:

Of the five founding fathers of twentieth-century evolutionary biology—Ronald Fisher, Sewall Wright, J. B. S. Haldane, Ernst Mayr, and Theodosius Dobzhansky—one was a devout Anglican who preached sermons and published articles in church magazines, one a practicing Unitarian, one a dabbler in Eastern mysticism, one an apparent atheist, and one a member of the Russian Orthodox Church and the author of a book on religion and science.

In addition, a wide range of religions have reconciled a belief in a supernatural being with evolution. Molleen Matsumura of the National Center for Science Education found that "of Americans in the twelve largest Christian denominations, 89.6% belong to churches that support evolution education." These churches include the "United Methodist Church, National Baptist Convention USA, Evangelical Lutheran Church in America, Presbyterian Church (USA), National Baptist Convention of America, African Methodist Episcopal Church, the Roman Catholic Church, the Episcopal Church, and others." A poll in 2000 done for People for the American Way found that 70% of the American public felt that evolution was compatible with a belief in God. Only 48% of the people polled could choose the correct definition of evolution from a list, however.

One poll reported in the journal Nature showed that among American scientists (across various disciplines), about 40 percent believe in both evolution and an active deity (theistic evolution). This is similar to the results reported for surveys of the general American public. Also, about 40 percent of the scientists polled believe in a God that answers prayers, and believe in immortality. While about 55% of scientists surveyed were atheists, agnostics, or nonreligious theists, atheism is far from universal among scientists who support evolution, or among the general public that supports evolution. Very similar results were reported from a 1997 Gallup Poll of the American public and scientists.

Group Belief in young Earth creationism Belief in God-guided evolution Belief in evolution without God guiding the process
American public 44% 39% 10%
American scientists* 5% 40% 55%
*Includes persons with professional degrees in fields unrelated to evolution, such as computer science, chemical engineering, physics, psychology, business administration, etc.

Traditionalists still object to the idea that diversity in life, including human beings, arose through natural processes without a need for supernatural intervention, and they argue against evolution on the basis that it contradicts their literal interpretation of creation myths about separate "created kinds". However, many religions, such as Catholicism which does not endorse nor deny evolution, have allowed Catholics to reconcile their own personal belief with evolution through the idea of theistic evolution.

See also

Notes

  1. Counts vary, but typical is that 35 of the 40 extant phyla originated then, and up to 100 additional phyla that are now extinct.
  2. This included at least animals, phytoplankton and calcimicrobes.
  3. As defined in terms of the extinction and origination rate of species.

References

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Bibliography

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