Study the wings of the birds in the two images below. Which of the following words applies to only one of the wing structures represented in this pair of species?

Question

A. homologous
B. developmental
C. vestigial
D. inherited

I cannot post the pictures, but they are basically one picture of a running ostrich (I think so) and a hummingbird with its beak in a flower. Because ostriches cannot fly, I think the answer is C.

Answer 1

it's C