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8 Cards in this Set

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  • Back
demographic transition
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
agriculltural revolution
the time when human beigns first domesticated plants and animals and no longer relied entirely on hunting and gathering
industrial revoultion
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
medical revolution
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
Zero Population Growth (ZPG)
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
population pyramid
a countrys population can be displayed by age and gender on a bar graph
dependency ratio
the number of people who are too young or too old to work, compared to the number of people in their productive years.
sex ratio
the number of males per hundred females in the population