A _____ is a cycle that is connected with the 24-hour period of the earth's rotation.

Question

Quizplus · Accepted Answer

The term "circadian rhythm" refers to a biological cycle that is connected with the 24-hour period of the earth's rotation, such as the sleep-wake cycle in humans. Option A, "harmonic pattern," is not a commonly-used term to describe biological cycles. Option C, "hypnagogic state," refers to a transitional state between wakefulness and sleep, and option D, "genotypic variation," refers to genetic differences among individuals.

A _____ Is a Cycle That Is Connected with the 24-Hour