142k views
3 votes
Justify the claim by describing an example of a behavioral event in ANIMALS that occurs in response to a 24-hour light/dark cycle.

1 Answer

5 votes
Circadian rhythm.

This is cyclical process which controls sleep/wake activity. It involves cyclical changes in hormone levels, and is subject to regulation from external cues.
User Simeon Stoykov
by
4.2k points