Classify each characteristic according to whether it is true for an amoeba, a clock, or both

What does gradualism and punctuated equilibrium have in common

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

How is the carbon cycle related to global warming ?