Here is the question I attached a image

Iwill give brainiest to first person who gets it ! what are 3 basic types of interactions we see in an ecosystem?

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

Nerve cells are specialized to respond to stimulitrue or false?