Plankton they are the base for marine life
If a lobster loses a claw, it is capable of growing a new one because of mitosis.
I think the correct answer from the choices listed above is option C. Cells in multicellular organisms differentiate as they continue to divide and increase in size because cells will now perform special functions and have become different to other cells. Hope this answers the question.
C gizzard i think i dont truely know