Multiple Choice
Which of the following illustrates a circadian rhythm?
A) Canada geese migrate north in the spring and south in the fall.
B) Hummingbirds lay eggs when local flowers are abundant.
C) A dog barks whenever someone knocks on the door of its home.
D) Raccoons routinely sleep during the day and are active at night.
Correct Answer:
Verified
Correct Answer:
Verified
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