A fish population is considered more sustainable if A. They reproduce at a younger age B. There is less by-catch when catching them C. Habitat damage is minimal D. All of the above (1 Point)

How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?

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 of these substances does not protect against invaders in the nonspecific immune response? a. saliva b. mucus c. tears d. urine