Term
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Definition
| a group of organisms that belong to the same spieces and live in a particular place at a particular time |
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Term
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Definition
| the measure of how crowded a population is |
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Term
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Definition
| the spatial distribution of individuals within the population |
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Term
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Definition
| the number of deaths in a period of time |
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Term
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Definition
| the number of deaths in a period of time |
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Term
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Definition
| how long on average an individual is expected to live |
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Term
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Definition
| the distribution of individuals among different ages in a population |
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Term
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Definition
| the probability that members of a certain population will survive to a certain age |
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Term
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Definition
| the amount by which a population's size changes in a given time |
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Term
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Definition
| the movement of individuals into a population |
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Term
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Definition
| the movement of individuals out of a population |
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Term
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Definition
| the observation that a population can grow in a pattern of increase in number due to a steady growth rate |
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Term
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Definition
| any factor the restrains the growth of a population |
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Term
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Definition
| shows population growth builds on the exponential model but accounts for the influence of limiting factors |
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Term
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Definition
| the number of indivivduals the environment con support over a long period of time |
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Term
Density-Independent
Factors |
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Definition
| limiting factors that reduce the population by the same propotion regardless of population size |
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Term
Density-Dependent
Factors |
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Definition
| limiting factors of population density |
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Term
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Definition
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Term
Hunter-Gatherer
Lifestyle |
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Definition
| small nomadic groups that obtained food by hunting animals and gathering roots |
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Term
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Definition
| the dramatic change in lifestyle where humans began to domesticate animals and cultivate certain plants for food |
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Term
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Definition
| modern countries that industrialized but growth rate is low |
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Term
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Definition
| countries that are poor but thier population's grow faster |
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Term
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Definition
| model that shows how population changes happen |
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