Ecology - 5.1 and 5.2
5.0(2)
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11 Terms
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population density
number of individuals per unit area
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population distribution
describes the way individuals are spaced out across their range
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age structure
the number of males and females of each age in a population
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immigration
movement of individuals into an area occupied by an existing population
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emigration
movement of individuals out of an area
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exponential growth
growth pattern in which individuals in a population reproduce at a constant rate
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logistic growth
growth pattern in which a population’s growth slows and then stops following a period of exponential growth
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carrying capacity
number of individuals of a particular species that a particular environment can support
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limiting factor
factor that causes population growth to decrease
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density-dependent limiting factor
limiting factor that depends on population density
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density independent limiting factor
limiting factor that affects all populations in similar ways, regardless of the population density