Which morphological feature in lizards, mammals, and birds provides evidence of their descent from a shared ancestor?
A) ribcages positioned right behind heads in the embryonic stage
B) absence of limb buds in embryonic development
C) presence of limb buds in embryonic development
D) differences in limb structures in adults
E) vestigial hindlimbs near the base of the tail in adults

Question

Quizplus · Accepted Answer

The presence of limb buds in embryonic development across lizards, mammals, and birds indicates a common developmental pattern, suggesting descent from a shared ancestor. This feature is a fundamental aspect of their morphology that appears early in development, highlighting evolutionary relationships.

Which Morphological Feature in Lizards, Mammals, and Birds Provides Evidence