Answer: Regulate the movement of materials in and out of the cell
Explanation:
The cell membrane of animal cells is a thin membrane that lines the entire cell surface, and it is a selectively permeable membrane, thus, allowing the entry of useful materials into the cell and exit of waste products out of the cell.
Two ways carbon can get from the ocean to the lithosphere is through the marine plants + animals (in the ocean) , sediments, petroleum then to the lithosphere. The second way is through the shells + coral (in the ocean), limestone, then to the lithosphere.
I think its B.all the members of a population ate genetically very similar etc