Rhythms that cycle on a daily basis are called
a. ultradian rhythms c. infradian rhythms
b. circadian rhythms d. circannual rhythms
B
Circadian rhythms are those rhythms that occur on a daily basis. Ultradian rhythms occur much shorter than daily. Infradian rhythms last a month or more. Circannual rhythms require approximately one year to complete the cycle.
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