What are vestigial structures? - ProProfs Discuss
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What are vestigial structures?



This question is part of AP Biology Essay Quiz U4
Asked by Kyleleevp, Last updated: Sep 24, 2018

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2 Answers

j.Barbara

J.Barbara

Answered on Feb 16, 2018

Vestigial structures are a structure in an organism that has lost all or at least most of its original function in the course of evolution. This might include things like the human appendix. Vestigial structures have little to no importance to an organism but might be leftover from an ancestor.

Some other examples of vestigial structures in humans are muscles of the ear, wisdom teeth, the tailbone, body hair, and the semilunar fold in the corner of the eye. In 1890 Charles Darwin defined many of these vestigial structures as human attributes that are no longer useful to humans.

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v_aditya

V_aditya

Answered on Jan 14, 2018

Vestigial structures are little or no importance to anorganism but remain from an ancestor.

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