Q: Answer the following question given this paragraph: Wings of bats and birds serve the same function. Look closely at the bones inside the wings. The differences show they developed from different ancestors. Q: Wings of bats and birds serve the same function. which body part should you study to understand ancestral differences? A:

Options: (A). skull size. (B). skin and feathers. (C). skin inside wings. (D). bones inside wings.
The answer is:
(D).