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8 Cards in this Set
- Front
- Back
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demographic transition
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the process of change in a societys population from a condition of high crude birth rate and death rate and low rate of natural increase to a condition of low crude birth and death rates, low death rate of natural increase, and a higher total population
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agriculltural revolution
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the time when human beigns first domesticated plants and animals and no longer relied entirely on hunting and gathering
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industrial revoultion
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a conjunction of major improvements in industrial technology (invention of the steam engine, mass production, powered transportation) that transformed the process of manufacturing goods and develiring them to the market
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medical revolution
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mediacl techology invented in europe and north america that is diffused to the poorer countried of latin america , Asia, and Africa. Improved medical practices have eliminated many of the traditional causes of death in poorer countries and enabled more people to live longer and healthier lives
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Zero Population Growth (ZPG)
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when a country reaches stage four and the crude birth rate declines to the point where it equals the crude death rate and the natural increase rate approaches zero
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population pyramid
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a countrys population can be displayed by age and gender on a bar graph
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dependency ratio
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the number of people who are too young or too old to work, compared to the number of people in their productive years.
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sex ratio
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the number of males per hundred females in the population
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