It should be A) cell since everything is made of cell in a living body.
Since homologous means same structure different functions, it shows that animals evolve to have the same structure as their ancestors but, have different uses to the part
Its B, i had the same test
Answer:
C
Explanation:
The correct answer is C. because the carotenoid pigment has increased
A, An ancestor of whales had legs. Hope i helped! :D