Evolution
can only happen at or below the species level
happens whenever an organism changes form or function
is the slow change in the gene pool of a species or population
proves that humans are descended from apes and monkeys

c.) is the slow change in the gene pool of a species or population

Explanation:

if it's on odyssey, I can guarantee this is right

a scenario where a cell may be needed to perform a form of endocytosis is when transporting large molecules. a scenario where a cell may be needed to perform a form of exocytosis is when releasing the large molecule from the cell.