Population Ecology Vocabulary

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Density-dependent limiting factor

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Factors that are influential only when population density reaches a certain level.

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Limiting factor

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A factor that controls the growth of a population.

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Carrying capacity

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The maximum number of individuals of a particular species that an environment can support.

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Logistic growth

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When a population's growth slows then stops, following a period of exponential growth.

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Emigration

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Movement out of a range.

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Demography

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The statistical study of populations, including the structure, distribution, and trends in population changes.

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Exponential growth

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A growth pattern in which the population size increases at a constant rate per time period.

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Immigration

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Movement into a range.

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Population density

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The number of individuals per unit area or volume.

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Limiting resource

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A resource that is in short supply and restricts the growth of a population.