Diane Dodd Raised Different Fruit Fly Populations on Different Food

question 40

Multiple Choice

Diane Dodd raised different fruit fly populations on different food sources. She found that after about 40 generations the evolution of reproductive isolation was under way. The mechanism of evolution responsible for this was

• A) natural selection.
• B) genetic drift.
• C) gene flow.
• D) hybridization.

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Immune System

The body's defense mechanism against infections and diseases through a complex network of cells, tissues, and organs.

Physiological Effects

Changes in the normal functions of the body that can result from various factors, including stress, dietary habits, and environmental changes.

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A strategy involving directly addressing a problem by finding solutions to alter the source of stress.

Problem-focused Coping

A strategy for dealing with stress by directly tackling the problem that is causing the stress.