Which of the Following Statements About Circadian Rhythms in Humans

question 3

Multiple Choice

Which of the following statements about circadian rhythms in humans is most accurate?

• A)Circadian rhythms are apparently a uniquely human adaptation.
• B)Circadian rhythms in humans tend to function on a 30-day cycle.
• C)In the absence of natural light, humans show no indication of having circadian rhythms.
• D)Circadian rhythms in humans actually appear to be regulated by several internal clocks.

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