7th Grade Social Studies Lesson 15
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7 Terms
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Life Expectancy
The average age that a person in a population can expect to live.
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Demography
The study of human population and how they change.
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Replacement Rate
The total fertility rate needed for a population to replace itself
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Birth Rate
The number of births in a year for every 1,000 people in a population.
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Death Rate
The number of deaths for every 1,000 people in a population.
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Population Distribution.
Where people live in a country, whether crowded together in cities or spread out across the countryside.
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Doubling time
The length of time it takes for a population to double.
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