Some animals that live in the desert don't move often, if at all, during the day in order to conserve water and energy. this seasonal behavior is best described as which of the following?

Estivation

Explanation:

Estivation is like hibernation where the animal stays dormant to lower metabolic rate, or in other words conserve energy. It is different from hibernation because unlike hibernation which is done during cold seasons, estivation is an adaptation to hot seasons or hot days.

the endocrine system secretes hormones into blood and other body fluids. these chemicals are important for metabolism, growth, water and mineral balance, and the response to stress. hormones provide feedback to the brain to affect neural processing. reproductive hormones affect the development of the nervous system.