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Related Flashcards
Cards In This Set
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What characteristics are used to describe a population?
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Geographic distribution, density and growth rate/
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What factors affect population size?
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# births, # deaths, # individuals that enter/leave
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What are exponential and logistic growth?
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Exponential: Ideal conditions and unlimited resourcesLogistic: Resources are less available and population stops growing
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Population density
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# individuals per unit area
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Immigration
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Movement of individuals into an area.
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Emigration
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Movement of individuals out of a population
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Exponential growth
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Good conditions population grows
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Logistic Growth
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Worse and worse conditions population shrinks.
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Carrying Capacity
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Largest # of individuals that a given environment can support.
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