Term
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Definition
| the internal and external structure and appearance of an organism |
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Term
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Definition
| the movement of individuals into a population |
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Term
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Definition
| determined by dividing the number of a certain allele by the total number of alleles of all types in the population |
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Term
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Definition
| evolution at a genetic level, a change in the collective genetic material of a population |
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Term
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Definition
| the phenomenon by which allele frequencies in a population change as a result of random events, or chance |
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Term
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Definition
| the process of genes moving from one population to another |
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Term
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Definition
| females tend to choose the males they mate with based on certain traits |
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Term
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Definition
| individuals with the average form of a trait have the highest fitness |
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Term
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Definition
| change that occured in a few thousand, rather than a few million years |
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Term
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Definition
| individuals with either extreme variation of a trait have greater fitness than individuals with the average form of the trait |
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Term
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Definition
| the process of species formation that results in closely related species |
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Term
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Definition
| individuals that display a more extreme form of a trait have greater fitness than individuals with an average form of the trait |
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Term
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Definition
| the idea that speciation occurs at a regualar rate |
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Term
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Definition
| the study of evolution from a genetic point of view |
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Term
| Hardy-Weinberg Genetic Equilibrium |
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Definition
| the principle that states that the frequency of alleles in a population does not change over generations unless outside forces act on the population |
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Term
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Definition
| the movement of individuals out of a population |
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Term
| biological species concept |
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Definition
| a species is a population of organisms that can successfully interbreed but cannot breed with other groups |
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Term
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Definition
| a graph of the frequency of some variable |
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Term
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Definition
| a term used to describe the total genetic information available in a population |
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Term
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Definition
| barriers to successful breeding between population groups in the same area |
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Term
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Definition
| equal to the number of individuals with a particular phenotype divided by the total number of individuals in the population |
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Term
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Definition
| the physical seperation of members of a population |
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