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APES Ch. 7 Vocab
The Human Population - AP Environmental Science, Chapter 7
| Term | Definition |
|---|---|
| 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 |
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emilyjane1221
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