In Some Instances Environmental Change Causes a Situation Where One

question 2

Multiple Choice

In some instances environmental change causes a situation where one phenotype is favored for a period of time,and then a different phenotype is favored.This oscillating selection causes

• A)the maintenance of genetic variation in the population.
• B)elimination of rarer genotypes because of uneven selection.
• C)an increase in point mutations.
• D)high population increase to maintain phenotypic variation.
• E)extinction of the population.