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17 Cards in this Set
- Front
- Back
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Population |
All individuals of a species that live together in one place |
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Population size |
The number of individuals in one area |
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Population density |
The number that live in a given area |
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Dispersion |
The way the individuals are arranged |
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Population model |
A hypothetical population that exhibits the key characteristics of a real population |
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Exponential growth curve |
A curve in which the rate of population growth stays the same |
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Carrying capacity |
The population size that an environment can sustain |
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Density dependent factor |
Limited resources |
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Logistic model |
Population model in which exponential growth is limited by density dependent factor |
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Density independent factor |
Growth in species by mental conditions |
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R strategist |
A species that rapidly change environments |
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K strategist |
Organism that grow slowly |
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Hardy Weinberg principle |
The frequencies of alleles in population don't change unless forces act on them |
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Gene flow |
The movement of individuals to or from a population |
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Nonrandom mating |
Mating with relatives |
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Genetic drift |
Allele frequencies appear to be moving |
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Polymeric trait |
A trait that is influenced by several genes |
