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Related Flashcards
Related Topics
Cards In This Set
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Ecology
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How organisms interact with one another and with their environment
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Environment
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Biotic and abiotic factors
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Populations
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Group of individuals of the same species occupying a common geographical area
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Communities
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Two or more populations of different species occupying the same geographical area
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Ecosystems
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A community plus its abiotic factors
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Biosphere
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The portion of the earth that contains living species; includes the atmosphere oceans, soils and physical and biological cycles that affect them
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Ecology
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The systematic study of how organisms interact with one another and with their environment
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Population ecology
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The study of how populations interact with their environment
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Habitat
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Where a species normally lives
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Population size
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Number of individuals making up its gene pool; dependent on births, immigration, deaths, emigration
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Population density
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Number of individuals per unit of area or volume
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Population distribution
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The general pattern in which the population members are dispersed through its habitat; ex: clumped, uniformly, randomly
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Age structure
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Defines the relative proportions of individuals of each age; ex: pre-reproductive, reproductive, post-reproductive
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Population growth formula
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G=rN
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Biotic potential
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The maximum rate of population increase under ideal conditions
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