Multiple Choice
When scientists use the term "biological rhythm," they are referring to:
A) a periodic, more or less regular, fluctuation in the physiological functioning of a living organism.
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 lasts about 24 hours from peak to peak.
Correct Answer:
Verified
Correct Answer:
Verified
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