Someone ill mark you as brainliest

Identify the structure in organisms that do not have kidneys that is adapted to regulate water balance

Describe the relationship between isotonic solutions, equilibrium, and water movement into and out of a cell.

Which of these would most likely be a stimulus that would cause the body to initiate feedback mechanisms a.) normal body temperature in an arctic environment b.) normal boy temperature in a tropical environment c.)light physical activity d.)low blood sugar