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13 Cards in this Set
- Front
- Back
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population density
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number of individuals unit of area.
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immigration
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movement of individuals into an area occupied by an existing population.
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emigration
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movement of individuals out of an area.
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exponential growth
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growth pattern in which the individuals is a population reproduce at a constant rate.
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Logistic growth
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growth pattern in which a population’s growth rate slows or stops following a period of exponential growth.
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Carrying capacity
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largest number of individuals of a population that a given environment can support
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Limiting factor
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factor that causes the growth of population to decrease.
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Density- dependent limiting factor
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limiting factor that depends on population size.
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Predator-prey relationship
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mechanism of population control in which a population is.
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Density-independent limiting factor
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limiting factor that affects all populations in similar ways, regardless of population size.
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Demography
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scientific study of human populations.
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Demographic transition
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change in a population from high birth and death rates to low birth and death rates.
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Age-structure diagram
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graph of the numbers of males and females within different age groups of a population.
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