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Chapter 4: Problem 3

__________ cycles occur roughly once every 24 hours. a. biological b. circadian c. rotating d. conscious

Short Answer

Expert verified
The correct answer is b. Circadian.

Step by step solution

01

Understand the Terminology

The first step is to understand what each term means:\n\na. Biological - Related to the natural life processes of living organisms.\n\nb. Circadian - Refers to any biological process that displays an endogenous, entrainable oscillation of about 24 hours.\n\nc. Rotating - Turning around on an axis or center. It's not a scientific term associated with a cycle of 24 hours.\n\nd. Conscious - Being aware and able to think, but this has nothing to do with a 24-hour cycle.
02

Identify the Correct Term

The term that describes cycles that occur roughly every 24 hours is 'Circadian'. This is a biological phenomenon that affects the sleeping and feeding patterns of all animals, including humans.

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