The Gradual Decline in Men's Testosterone Levels in Middle Age

question 106

Multiple Choice

The gradual decline in men's testosterone levels in middle age can reduce their _____.

• A) lung capacity
• B) sexual drive
• C) infertility
• D) thyroid levels

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Definitions:

Organisms

Organisms are individual living entities that can react to stimuli, reproduce, grow, and maintain homeostasis.

Environment

A rephrased definition: The composite of physical, biological, and chemical factors that constitute the surrounding of a particular organism or group of organisms.

Inherited Traits

Characteristics or attributes genetically passed from parents to offspring through their genes.

Natural Selection

The process by which organisms that are better adapted to their environment survive and reproduce more successfully than less well-adapted organisms.