Of the following anatomical structures, which is homologous to the wing of a bird?
A)Dorsal fin of a shark
B)Hindlimb of a kangaroo
C)Wing of a butterfly
D)Tail fin of a flying fish
E)Flipper of a cetacean

Question

Quizplus · Accepted Answer

The flipper of a cetacean (like a whale or dolphin) is homologous to the wing of a bird because both are derived from the forelimbs of a common tetrapod ancestor, sharing a similar underlying bone structure.

Of the Following Anatomical Structures, Which Is Homologous to the Wing