Why can't an environment support unlimited amount of food chains? A. There are not enough plants to add in a food chain.
B. Food chains do not work when there are too many organisms included.
C. There are limited amount of resources that naturally be found in an environment.
D. There are not enough animals to add in a food chain.
please answer asap its for a test

Construct an explanation about the function of mitosis for multicellular organisms

Plz ! ive been stuck on this forever

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.