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AP Biology/Unit 8: Ecology
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Characteristics of Circadian Rhythms

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All of the following statements about circadian rhythms are correct EXCEPT:

A

These rhythms follow a roughly 24-hour cycle.

B

They are unrelated to the internal biological clocks of organisms.

C

Circadian rhythms influence sleep patterns and physiological processes.

D

Roosters and plants have internal clocks known as circadian rhythms.

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