Answer:
D
Explanation:
As we grow, skin cells and blood cells are constantly dividing but as the get damaged. The body creates new cells
B. That is not related to the Structural adaptation. And are in you in K12?
Answer:
I think it's A) A protein substrate
Genes are the proof of evolution and show that we are related to another species that existed long ago. So that means we all share some of the same genes.
