Natural Selection Has Favored the Dark Form of the Peppered

question 41

Multiple Choice

Natural selection has favored the dark form of the peppered moth in areas subject to severe air pollution,perhaps because on darkened trees moth-eating birds see them less easily.As pollution abated,the light forms were favored because

• A)they were less visible after the lichens returned.
• B)of migration from more polluted areas.
• C)of mutation.
• D)they were preyed on more.
• E)of a bottleneck effect.

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Definitions:

Numerous

A term describing a large quantity or number of items, people, or occurrences.

Unanimous

In full agreement; when all members of a group fully agree on a decision or opinion.

Conversion Effect

When minority influence brings about a sudden and dramatic internal and private change in the attitudes of a majority.

Moscovici

Refers to Serge Moscovici, a French social psychologist known for his work on social influence and the theory of social representations.