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APES Ch. 7 Vocab

The Human Population - AP Environmental Science, Chapter 7

TermDefinition
Demography The study of human populations and population trends
Immigration Movement into a country or region
Emigration Movement out of a country or region
Crude birth rate Number of live births per 1,000 individuals per year
Crude death rate Number of deaths per 1,000 individuals per year
Doubling time The number of years it takes a population to double. Found by the Rule of 70 (doubling time = 70/growth rate percent)
Total fertility rate The average number of children a woman will have throughout her childbearing years
Replacement-level fertility The TFR required to offset the average number of deaths in a population and maintain the current size
Developed countries Countries with relatively high levels of industrialization and income
Developing countries Countries with relatively low levels of industrialization and income
Life expectancy The average number of years that an infant born in a particular year in a particular country can be expected to live, given the current average life span and death rate in the country
Infant mortality rate The number of deaths in children under the age of 1 per 1,000 live births
Child mortality rate The number of deaths in children under the age of 5 per 1,000 live births
Age structure diagram/population pyramid A diagram that shows the number of individuals within each age category, typically expressed for males and females separately
Population momentum Continued population growth that does not slow in response to growth reduction measures
Net migration rate The difference in immigration and emigration in a given year per 1,000 people in a country
Affluence The state of having plentiful wealth; the possession of money, goods, or property beyond what is required
IPAT equation Impact = populaiton x affluence x technology
Urban area An area that contains more than 385 people per square kilometer (1,000 people per square mile)
Gross domestic product The value of all the goods and services produced in a country in a year
Created by: emilyjane1221
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