True or false. the reptilian amniote egg with its protective outer layers is a landmark in evolution of life on land.

How will technology impact medicine in the future?

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 sequence correctly shows the path of carbon dioxide during repiration?