Which of the following nervous system divisions is correctly paired with an example of its function?
sympathetic—constricts airways
sympathetic—dilates the pupils
parasympathetic—accelerates heartbeat
parasympathetic—breaks down glycogen to glucose

Identifying the elements of hypothesis-based science this experiment is an example of hypothesis-based science. what question did the researchers ask? what question did the researchers ask? can predation result in selection for color patterns in guppies? do female guppies prefer to mate with males with bright color patterns or drab colors? do male guppies in pools with pike-cichlid fish have brighter color patterns than females in the pool? do killifish prefer to prey on juvenile guppies or adult guppies?

How does secondary succession differ from primary succession?

When an object is moving away from you while still making a sound, the pitch of the sound is perceived to a. lower b. unchanged c. fluctuating d.higher