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Ch. 16: Evolution of Populations Vocab

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4.combined genetic information of all the members of a particular population
9.form of reproductive isolation in which two populations have differences in courtship rituals or other types of behavior that prevent them from interbreeding
10.formation of new species
1.situation in which allele frequencies remain constant
2.form of natural selection by which the center of the curve remains in its current position; occurs when individuals near the center of a distribution curve have higher fitness than individuals at either end
3.random change in allele frequencies that occur in small populations
5.trait controlled by two or more genes
6.form of reproductive isolation in which two populations reproduce at different times
7.form of natural selection in which a single curve splits into two; occurs when individuals at the upper and lower ends of a distribution curve have higher fitness than the individuals near the middle
8.change in allele frequencies as a result of the migration of a small subgroup of a population

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