Blood glucose levels are regulated by secretions of by the pancreas. a. orexin b. insulin c. leptin d. pyy

Which line in the graph above best illustrates an effect of the carbon dioxide level in the blood on breathing rate before, during and after a period of exercise? 1.b,2.c,3.a,4.d

How did the club fungi get its name? a. it is named for the club-shaped seeds it produces. b. it is named for the way individual species grow together in small groups called “clubs.” c. it is named for the club-shaped area where it produces spores. d. it is named for the club-like mechanism it uses to kill its prey.

Which fossil organism in whale evolution do you think was the first to live mostly in water? explain your claim with evidence and reasoning?