Cortisol and growth hormone both have roles in blood sugar, whereas insulin plays a role in blood sugar.

Cortisol increase blood sugar, insulin decreases

Cell division is important to single celled organisms because it allows the cells to reproduce. through cell division, cells make exact copies of themselves. when single celled organisms go through cell division, they make exact copies of themselves which is how they reproduce.

idk but if i had to take an educated guess i’d say a c d