Niles Eldridge and Steven Gould researched the eye lense of many different species. They determined that species had the tendency to stay the same until a sudden change came about,
giving rise to another version of the species. What kind of evolution were Eldridge and Gould
speaking of?

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.