Directions: Refer to your list of organisms that you found in the Sonoran Desert Lesson to answer this question.
Which organism would lose a primary food source if a fire broke out and burned away all the
undergrowth and scrub vegetation?

In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls

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.

Some of the money that people deposit into a bank eventually becomes a interjection into the economy when the bank