Wat is peristaltic movement how is it in human digestion?

Body temperature is tightly regulated in mammals for example when external temperatures drop too much the body of a mammal responds by in order to its core temperature?

Why is the statement not a hypothesis? sunflowers require soil and plenty of sunlight and water to grow and thrive.

Support mangrove trees out of the water. a) pneumatophores b) prop roots c) sand dunes d) tide supports