Will make !

the cell cycle is regulated by both external and internal factors.
part a: list two external factors that influence the cell cycle and briefly describe them. (2 points)
part b: list two internal factors that influence the cell cycle and briefly describe them. (2 points)

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.

Which animal is a producer in this ecosystem

How do the evolutionary chart and the video support the claim that all living things are made up of cells?