Why do scientists follow a set order of steps when carrying out a scientific investigation?

What are some aquatic organisms that live in cold water temperatures?

What type of competition exsist between two species. turtles and fish

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.