Once a True Cell Was Formed Biological Evolution Began

question 28

Multiple Choice

Once a true cell was formed biological evolution began.Biological evolution is all the changes that have occurred in living things since the beginning of life due to differential reproductive success.This means that

• A) Living things have been evolving toward the perfect form.
• B) Living things have begun reproducing.
• C) Living things have all evolved from a common ancestor.
• D) Life has recently begun to change through evolutionary processes.
• E) Life has evolved to become increasingly complex.

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Definitions:

Moderate Arousal

Refers to an optimal level of alertness or physical and mental activation at which performance on a task is best.

Cholecystokinin (CCK)

a hormone that is released by the intestines in response to eating certain foods and stimulates the digestion of fat and protein.

Motivation

The process that initiates, guides, and maintains goal-oriented behaviors, driving individuals to pursue and achieve their objectives.

Physiological Need

A basic bodily requirement, such as for food, water, or sleep, necessary for survival.