During a Field Assignment with Her Students, Professor Miller Observes

question 28

Multiple Choice

During a field assignment with her students, Professor Miller observes two male elephant seals engaged in a fierce battle. She explains to her students that they are fighting for mating control of the female harem, a process termed

• A) intersexual selection.
• B) intrasexual selection.
• C) sexual fitness.
• D) sexual adaptation.

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Definitions:

Nervous System

The network of nerve cells and fibers that transmits nerve signals between parts of the body, coordinating actions and sensory information.

Aging

The process of becoming older, characterized by gradual changes in physical, cognitive, and social capabilities over time.

Acetylcholine

A neurotransmitter released by the parasympathetic nerves onto organs and glands for resting and digesting.

Postural Hypotension

A situation in which blood pressure becomes low and the pulse increases when a patient is moved from a lying to a standing position; also known as orthostatic hypotension.