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ch8 human populations

Terms in this set (11)

demographic transition
change in a population from high birth and death rates to low birth and death rates
demography
Scientific study of human populations.
industrial stage
decline in birth rate, population growth slows.
IPAT model
Impact of humans is equal to population size times affluence times level of technology.
life expectancy
A figure indicating how long, on average, a person may be expected to live
natural rate of population change
the rate of natural increase is the crude birth rate minus the crude death rate of a population.
post-industrial stage
the fourth and final stage of the demographic transition model, in which both birth and death rates have fallen to a low level and remain stable there, and populations may even decline slightly
pre-industrial stage
the first stage of the demographic transition model, characterized by conditions that defined most of human history, high birth and death rates
replacement fertility
the total fertility rate (TFR) that maintains a stable population size
transitional stage
death rate lower, better health care, population grows fast
total fertility rate
The average number of children born to a woman during her childbearing years.
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