Answer:
The food resources of the finches vary in regard to the island, it is for that reason that we observe differences in the finch beak size
Explanation:
Evolution explains how the survival of the most adaptive organisms to the environment (in this case birds with suitable beaks) makes that they perpetuate their genes in future generations
7 cells I think. I don’t think I’m wrong
I believe the answer is receptor sites, but correct me if I'm wrong.
Hope this helps!
The answer to your question would be Carbon, oxygen, hydrogen, and nitrogen.