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Definition
| Change in allele frequencies of a population over time. |
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Definition
| Group of organisms that can potentially interbreed among one another. |
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Definition
| Collection of all the genes in a population. |
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Definition
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Definition
| The proportion of a specific allele in a population of organisms. |
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Definition
| The ability of an organism to survive and reproduce. |
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Term
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Definition
1. Individuals in a population are not identical there is variation.
2. Some of these variations are heritable.
3. In every generation, more offspring are reproduced than could survive.
4. Survival and reproduction is not random.
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Term
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Definition
| Phenotypes at one extreme are selected against. |
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Definition
| Phenotypes near the mean of the population are fitter than those at either extreme. |
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Definition
| The extremes are favored over the means. |
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Definition
| A theory of accumulating several ideas that form our modern understanding of evolution. |
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Definition
| Ultimate source of variation within a population. |
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Term
| Reasons a population might evolve: |
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Definition
- Genetic Drift
- Mutation
- Migration
- Natural Selection
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Definition
| the divergence of one species into two. |
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Definition
| Lots of evolutionary change across very long time intervals. |
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Term
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Definition
Refers to selection in which a different set of selective pressures which act on the males of the species than those that act on the females.
Sexual Dimorphism is the result of sexual selection. |
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