In Recent Years, About ________ Percent of the U

question 17

Multiple Choice

In recent years, about ________ percent of the U.S. GDP was exported.

• A) 5
• B) 12
• C) 14
• D) 21
• E) 40

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Definitions:

Variation Range

The difference between the highest and lowest values in a set of data, measuring the spread or dispersion of the data points.

Exaptation

A trait that becomes used for an entirely new purpose during evolution.

Key Innovation

An evolutionary adaptation that gives its bearer the opportunity to exploit a particular environment more efficiently or in a new way.

Adaptive Radiation

An evolutionary process in which organisms diversify rapidly into a multitude of new forms, particularly when a change in the environment makes new resources available or opens new niches.