Microevolution, or Evolution at Its Smallest Scale, Occurs When

question 58

Multiple Choice

Microevolution, or evolution at its smallest scale, occurs when

• A) an individual's traits change in response to environmental factors.
• B) a community of organisms changes due to the extinction of several dominant species.
• C) a new species arises from an existing species.
• D) a population's allele frequencies change over a span of generations.

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Definitions:

Neurons

Basic working units of the nervous system, cells specialized in carrying messages through an electrochemical process.

Endorphins

Natural, pain-relieving chemicals in the brain that are associated with feelings of euphoria and well-being.

Shock

A medical emergency involving a sudden and severe drop in blood pressure, leading to insufficient blood flow to the organs.

Schizophrenia

A severe mental disorder characterized by disturbances in thought, perception, and behavior, manifesting in symptoms like hallucinations and delusions.