5. The desert kangaroo rat in Arizona eats plants but doesn’t drink water. Yet even in summer, it doesn’t suffer from dehydration. How do you think the rat’s digestive system helps it to obtain water to maintain homeostasis?

What sentence best supports the statement that hormones are involved in the regulation of homeostasis? a. the hormone erythropoeitin increases the production of red blood cells when oxygen levels are low. b. the hormone oxytocin promotes labor contractions of the uterus during childbirth. c. the hormone melatonin induces sleep and its production is slowed by exposure to light. d. the hormone cortisol suppresses the immune system and is produced when the body is under stress.

How will you manage your time to accomplish the necessary tasks both on the job and at home?

Which direction does the energy flow in this energy pyramid ?