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Line 2: − − The word "microevolution" comes from the Latin "micro", or "very small". Thus an example of microevolution would be the devlopment of bacterial resistance to antibiotics, because bacteria are very small (microscopic). A number of creation scientists agree that microevolution can take place. This is in contrast to "[[macroevolution]]" (from the Latin "macro", or "large"), evolution in large animals such as elephants, giant tortoises or even humans, which cannot take place (except in trivial ways, like breeding dogs or cattle).
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Microevolution, narrowly defined, is the unproven theory that [[natural selection]] can, over time, transform an [[organism]] into a more specialized form within the same species. <ref>Evolutionists express their theory of "microevolutionary theory that natural selection should optimize the existing genetic variation in a population to maximize reproductive success." http://www.talkorigins.org/faqs/faq-intro-to-biology.html</ref> Lack of evidence for [[natural selection]] has led most scientists to use the broad definition above rather than a definition based on [[natural selection]].<ref>Darwin defined evolution in terms of natural selection. Today, for want of evidence of [[natural selection]], scientists define evolution as "a change in the gene pool." ''Id.''</ref>
Microevolution, narrowly defined, is the unproven theory that [[natural selection]] can, over time, transform an [[organism]] into a more specialized form within the same species. <ref>Evolutionists express their theory of "microevolutionary theory that natural selection should optimize the existing genetic variation in a population to maximize reproductive success." http://www.talkorigins.org/faqs/faq-intro-to-biology.html</ref> Lack of evidence for [[natural selection]] has led most scientists to use the broad definition above rather than a definition based on [[natural selection]].<ref>Darwin defined evolution in terms of natural selection. Today, for want of evidence of [[natural selection]], scientists define evolution as "a change in the gene pool." ''Id.''</ref>
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