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10 Cards in this Set
- Front
- Back
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population dynamics
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The study of why populations change and what causes them to change.
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carrying capacity
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The maximum number of individuals an ecosystem can support.
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population size
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The number of individuals of the same species that live in a given area.
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population density
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A measure of the number of organisms that live in a given area at a particular time.
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immigration
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The movement of an organism into a population of the same species.
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emigration
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The movement of individuals out of an ecosystem.
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limiting factor
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A factor or condition that prevents the continuing growth of a population in an ecosystem.
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opportunist
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A species characterized by a relatively short life span, with relatively large quantities of offspring, as compared with a competitor species.
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competitor
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A species characterized by a relatively longer life span, with relatively few offspring, when compared with an opportunist species.
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pollution
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The release of harmful substances into the air, water, or land.
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