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Cards In This Set
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A group of organisms that belong to the same species and live in a particular place at the same time.
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Population
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------------ measures how crowded a population is.
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Population density
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The spatial distribution of individuals within a population
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Dispersion
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Birth rate
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Number of births occuring in a period of time
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Death rate, mortality rate
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Number of deaths occuring in a period of time
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How long on average an individual is expected to live
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Life expectancy
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The distribution of individuals among different ages in a population
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Age structure
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A graph of the mortality data of a population; indicated the probability that individuals will survive to any given age
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Survivorship curve
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The amount by which a population's sixe changes in a given time.
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Growth rate
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The movement of individuals into a population
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Immigration
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The movement of individuals out of the population
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Emigration
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A model of the population growth in which a constant and unlimited growth rate results in geometric increases in population size
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Exponential model
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A model of population growth that assumes that resource levels limit population growth
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Logistic model
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A way of life in which people obtain their food by hunting and gathering wild animals and plants
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Hunter-gatherer lifestyle
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Carrying capacity
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The number of individuals the environment can support over a long period of time
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