What aspect of chaparral shrubs is both a part of their natural defenses and the reason many are popular in cooking?

a. aromatic oils

b. small evergreen leaves

c. ability to thrive in nutrient-poor soil

d. seed germination after fires

What are charcteristics of lithosphere?

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.

What are 3 reasons that natural selection occurs