Which of the Following Best Explains How a Population's Average

question 40

Multiple Choice

Which of the following best explains how a population's average height can increase from generation to generation in an environment where being tall does NOT provide a selective advantage?

• A) cultural reasons, such as stretching exercises
• B) a better diet becomes available to children
• C) in reality this cannot happen
• D) genetic drifting mutations occur
• E) taller people are better able to see (and thus escape from) predators

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Definitions:

Dust Bowl

A period in the 1930s characterized by severe dust storms, causing significant ecological and agricultural damage to American and Canadian prairie lands.

The Grapes of Wrath

A novel by John Steinbeck, published in 1939, that explores the hardships and injustices faced by migrant farm workers during the Great Depression in America.

Rust Belt

A region in the northeastern and midwestern US characterized by declining industry, aging factories, and a decreasing population, historically known for its steel production and heavy manufacturing.

Federal Budget Deficit

The deficit occurring when government spending surpasses income within a specific budget year.