Natural Selection ________

question 28

Multiple Choice

Natural selection ________.

• A) works on populations, but its long-term effect is rendered on individuals
• B) works on individuals, but its long-term effect is rendered on populations
• C) can work only on populations of genetically identical individuals
• D) works regardless of the amount of genetic variability in populations

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Definitions:

Trade Surpluses

Occurs when a country's exports exceed its imports over a given period, indicating a net inflow of domestic currency from foreign markets.

Productivity Rate

Measures the efficiency of production in an economy, often calculated as total output per unit of input, such as labor, over a specific period of time.

Current Account Deficit

A measurement of a country's trade where the value of the goods and services it imports exceeds the value of the products it exports.

U.S. Dollars

The official currency of the United States, widely used as a benchmark and reserve currency globally.