Due to a Rapid Change in the Environment, a Population

question 68

Multiple Choice

Due to a rapid change in the environment, a population of ants was reduced from one million to one thousand. What type of genetic drift will occur in the gene pool of this population when it expands again?

• A) gene flow
• B) migration
• C) natural selection
• D) the founder effect
• E) a genetic bottleneck

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Definitions:

Psychosocial Development

The development of the personality and the acquisition of social attitudes and skills from infancy through maturity.

Erikson

A psychosocial development theorist known for his 8-stage theory of human development.

Initiative Versus Guilt

Erikson’s third psychosocial stage in which young children develop a sense of purposefulness, try new skills and activities, and take pride in their accomplishments, as well as feel guilt if they are unsuccessful.

Economic Labor

The work performed by individuals that contributes to the production of goods and services in an economy.