Evidence of Evolution

AP Biology· difficulty 1/5

Pharyngeal slits appear in early embryos of fish, chickens, and humans. This is best evidence for

A
$Vestigial structures in adults$
B
$Adaptive radiation$
C
$Convergent evolution in adults$
D
$Common ancestry among vertebrates$
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Explanation

Shared embryonic structures across diverse vertebrates indicate inheritance of developmental programs from a common ancestor, supporting common descent.

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