For Natural Selection to Generate Evolutionary Change in a Population

question 55

Multiple Choice

 For natural selection to generate evolutionary change in a population ____.

• A) there need not be any differences in the traits of individuals in that population
• B) the change in gene frequencies must help the species in the long run
• C) the differences must have a hereditary basis
• D) the change in gene frequencies will probably be harmful to the species

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Definitions:

Rational Expectations

The hypothesis that individuals form forecasts about the future based on all available information in a way that is consistent with the actual structure of the economy.

Active Stabilization Policy

Economic policies aimed at minimizing business cycle fluctuations through fiscal and monetary interventions by the government.

Money Supply

The total amount of money available in an economy at a particular time, including cash, coins, and balances held in checking and savings accounts.

Expected Price Level

This term represents the anticipated average price of goods and services in an economy over a certain period.