As the sun is setting, you notice bats coming out of a cave to begin a period of heavy activity. In the very early morning, several days later, you notice them entering the cave to sleep. Which circadian rhythm would best explain this observation?
A) Crepuscular
B) Nocturnal
C) Diurnal
D) Lunar
E) Asynchronous

Question

Quizplus · Accepted Answer

Bats are nocturnal animals, meaning they are active during the night and rest during the day. This behavior is observed as they come out of the cave at sunset and return at dawn.

As the Sun Is Setting, You Notice Bats Coming Out