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Definition
| form of natural selection in which individuals at one end of a distribution curve have higher fitness than individuals in the middle or at the other end of the curve |
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Term
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Definition
| form of natural selection in which individuals near the center of a distribution curve have higher fitness than individuals at either end of the curve |
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Term
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Definition
| natural selection in which individuals at the upper and lower ends of the curve have higher fitness than individuals in the middle or at the other end of the curve |
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Term
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Definition
| random change in allele frequency caused by a series of chance occurrences that cuaser an allele to become more or less common in a population |
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Definition
| a change in allele frequency following a dramatic reduction in the size of a population |
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Definition
| change in allele frequencies as a result of the migration of a small subgroup of a population |
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Definition
| situation in which allele frequencies in a population remain the same |
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Term
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Definition
| principle that states that allele frequencies in a population remain constant unless one or more factors cause those frequencies to change |
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Definition
| when individuals select mates based on heritable traits |
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