A population of mice lives in northern Canada where there is snow most of the year. These mice are hunted by other animals. Which feature would be best for these mice to inherit from their parents, so they are NOT all killed off by their predators?

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.