Ecology Concepts

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Population

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A group of individuals of the same species living in the same area at the same time

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Population Density

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The number of individuals of a species per unit area or volume

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Carrying Capacity (K)

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The maximum population size that can be supported by the available resources in an environment

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Exponential Growth

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Population growth pattern where the population grows at an ever-increasing rate when resources are unlimited

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Logistic Growth

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Population growth that levels off at carrying capacity due to limiting factors

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Birth Rate

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Number of births within a population during a given time period

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Death Rate

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Number of deaths within a population during a given time period

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Immigration

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Movement of individuals into a population from another area

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Emigration

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Movement of individuals out of a population to another area

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Population Distribution

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Pattern of spacing among individuals in a population (random, uniform, or clumped)