Which of the Following Is Not a Component of the Darwin-Wallace

question 23

Multiple Choice

Which of the following is not a component of the Darwin-Wallace theory of natural selection?

• A) All populations contain heritable variations.
• B) Some variations are more favorable than others.
• C) Not all young survive to maturity.
• D) Those with favorable variations are most likely to survive and pass those variations on to their offspring.
• E) All organisms can knowingly select their genetic direction.

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Definitions:

Dust Bowl

Great Plains counties where millions of tons of topsoil were blown away from parched farmland in the 1930s; massive migration of farm families followed.

Soil Erosion

The process by which topsoil is worn away through the action of wind, water, or human activity, leading to reduced land fertility.

Crop Fungus

A type of pathogen that attacks plants, leading to diseases that can severely affect agricultural production and food security.

Civilian Conservation Corps

A public work relief program in the United States for unemployed, unmarried men, part of the New Deal, aimed at conservation and development of natural resources.