Of the following anatomical structures, which is most homologous to the bones in the wings of a bird?
A) bones in the hind limbs of a kangaroo
B) chitinous struts in the wings of a butterfly
C) bony rays in the tail fin of a flying fish
D) bones in the flippers of a whale

Question

Quizplus · Accepted Answer

The bones in the wings of a bird and the bones in the flippers of a whale are both examples of homologous structures, meaning they share a common ancestral origin despite their different functions in the present day. This is a result of divergent evolution, where related species have evolved different adaptations.

Of the Following Anatomical Structures, Which Is Most Homologous to the Bones