Stressor is a(n) select one: a. exercise program that increases one's ability to handle normal stress. b. hormone released by the adrenal glands during periods of stress. c. lower back muscle that frequently produces a feeling of physical tension. d. environmental event that threatens or challenges us.

The nervous system interacts with the endocrine system by a. using hormones as connections b. sending nerve impulses directly to glands c. using neuroendocrine cells as connections d. sending neurotransmitters directly to neurons

In what cells is the human genome located?

Abiologist counts the number of rabbits in a population each year and observes a decrease in population. since the coyote population has exploded, the biologist concludes that the coyote population has had a negative interaction with the rabbit population. which describes the biologist’s actions? a.) experimentationb.) inferencec.) observationd.) interacting