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

Recognize the importance of hypothesis testing and observational guidelines within psychological research.

Analyze the role of demand characteristics and their effects on research outcomes.

Understand the distinction between correlational and experimental research designs.

Comprehend the basics of statistical analysis, including measures of central tendency, inferential statistics, reliability, and variability.

---

Definitions:

Louisiana Purchase

President Thomas Jefferson’s 1803 purchase from France of the important port of New Orleans and 828,000 square miles west of the Mississippi River to the Rocky Mountains; it more than doubled the territory of the United States at a cost of only $15 million.

Democrats

Members or supporters of the Democratic Party in the United States, one of the two major contemporary political parties in the country, generally representing liberal and progressive positions.

Forty-ninth Parallel

The 49th parallel north, a circle of latitude that is 49 degrees north of the Earth's equatorial plane, often referred to as the boundary between Canada and the United States in the western part of North America.

Northern Whigs

A political faction active in the 19th century United States, which opposed the Democratic Party and supported modernization, the federal bank, and anti-slavery policies.