Multiple Choice
When a scientist uses the term "biological rhythm," they are referring to
A) a periodic,more or less regular,fluctuation in a biological system.
B) an awareness of oneself and the environment.
C) a biological fluctuation that occurs less frequently than once a day.
D) a biological fluctuation that is about 24 hours from peak to peak.
Correct Answer:
Verified
Correct Answer:
Verified
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