None of the statements provided are accurate regarding evolution. Here’s a breakdown:
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DNA is the only extant evidence supporting the theory of evolution. - This is incorrect because there is a multitude of evidence supporting evolution, including fossil records, comparative anatomy, embryology, and biogeography, in addition to DNA.
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Living things have adapted and changed over time for specific, discoverable reasons. - While living things do adapt and change, the reasons for these changes are often complex and include random mutations and natural selection, rather than specific, discoverable reasons.
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Animals, plants, and microbes have their own separate, unrelated ancestries. - This is false; all living organisms share a common ancestry. While they have diverged over time, they are related through evolutionary processes.
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Scientists no longer study evolution because it has been proven. - This is misleading; while the theory of evolution is widely accepted and supported by extensive evidence, scientists continue to study it to explore and understand the complexities of evolutionary processes and refine the theory.
In summary, all the statements contain inaccuracies about evolution.