Q: Wings of bats and birds serve the same function. which body part should you study to understand ancestral differences?


Read this paragraph and choose the correct option from the provided answers:

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.

 Choices:

- skull size

- skin and feathers

- skin inside wings

- bones inside wings


A:
bones inside wings