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Chapter 16.2
Chapter 16.2 vocab
| Term | Definition |
|---|---|
| immigration | the movement of an individual or a group to a new community or region |
| emigration | the movement of an individual or group out of its native area |
| gene flow | the movement of genes into or out of a population due to interbreeding |
| genetic drift | the random change in allele frequency in a population |
| sexual selection | females tend to choose the males they mate with based on certain traits |
| stabilizing selection | a type of natural selection in which the average form of a trait is favored and becomes more common |
| disruptive selection | a type of natural selection in which two extreme forms of a trait are selected |
| directional selection | individuals that display a more extreme form of a trait have greater fitness than individuals with an average form of a trait |