Sexual selection always favors: a) large males. b) ornamentation such as bright feathers in male birds. c) traits that reduce an individual's survival. d) traits that increase an individual's access to reproductive opportunities. e) all of these choices are correct.

Epinephrine is a hormone released from the adrenal gland of the body, most often in a stressful situation. it is known as the "fight-or-flight" hormone. one way that it causes a response in the body is to activate receptors on muscle cells. where are these cellular receptors located? a. on the cell membrane b. in the nucleus c. on the cell wall d. around the mitochondria

Which are reasons cells undergo cell division?

Which is not displayed on the graph