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The side toes of a horse, the pelvis of the whale, and the human appendix are all examples of structures that resemble structures of presumed ancestors, called what?

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Vestigial structures
User Janak Prajapati
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These structures are called Vestigial structures, they resemble structures from the organism's ancestors, but don't have a real purpose for them now.

Pray this helps you :)
User Jonathan Cast
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