Which of the following describes how DNA provides evidence to suggest that life changes over time

A. Some animals exhibit similar structures possibly due to a common ancestor

B. Some animals exhibit similar stages of embryonic development

C. Some animals exhibit structures that are no longer used for any purpose

D. Some animals exhibit similar biological proteins.


I think letter c. an example is wisdom teeth, a long time ago those were used for purpose and years later they are no longer needed.  hope this makes sense ;)

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