Answer: c. Death
Step-by-step explanation:
Apostosis which means program cell death is this occurs when the cell is partially damaged or when the a mutant DNA can not be repaired by DNA repair mechanism, cells undergo a this process called apostosis which prevent the cell from passing the defect DNA to daughter cells.
Differentiation and growth needs reshaping of organs, this could be done only when old cells are removed from the area. Removal of superfluous, aged or partial damaged cells is done by apostosis.