Which of these groups lacks cell walls? bacteria plantae archaea animalia

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.

Unlike mendel's pea plants, humans can have a variety of heights, not just tall or short. what does this mean for human height? a. height is controlled by one gene b. height is controlled by more than one c. height is not genetic d. height is solely determined by whether or not you eat your vegetables

Asingle egg is a(n): it's not ovary. ovary ova ovum yolk