Respuesta :

Answer:

Probably D

Explanation:

A "vestigial structure" or "vestigial organ" is an anatomical feature or behavior that no longer seems to have a purpose in the current form

mcorv76
D. useless structures

•Vestigial structures are small structures that are not present in close relatives. Vestigial structures have not yet been identified in humans, so that means they really do nothing for us which makes them useless.

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