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Population/Migration
| Term | Definition |
|---|---|
| Causes of Population Explosion | Medical care, sanitation, food production, better nutrition |
| Emigrants | people leaving a country (exit) |
| Immigrants | people coming into a country |
| Refugees | seek safety by going to another country escaping political unrest, war, or persecution |
| Push factor | encourages people to leave a place |
| Pull factor | encourages people to come to or move to a place |
| Urbanization | the process by which population of cities grow |
| Total fertility rate | Average number of children born to a woman in her life |
| Push/pull factor | Economic (most often) |
| Push/pull factor | Cultural/political |
| Push/pull factor | Environmental |
| Naturalization | legal process by which citizens of one country become citizens of another country |
| Green card | a permit allowing a foreign national to live and work permanently in the US. |
| Urban structure model | explains where different types of people live |
| Sector model | explains where cities develop in series of sectors; certain areas are more attractive for various activites |
| Multiple nuclei model | city has more than one center around which activities revolve |
| Concentric zone model | city grows outward from a central ring in a series of rings like tree growth |
| Population density | number of people per square mile |
| Gentrification | renovating deteriorated neighborhoods |
| Urban sprawl | uncontrollable and unplanned expansion of urban areas |
| Crude birth rate | # births per 1000 people |
| Crude death rate | # deaths per 1000 people |
| Infant mortality rate | # infants per 1000 born who die in 1st year of life |
| Eminent domain | power of a government to take private property for public use |
| Population density formula | population/land area |
| Carrying capacity | the point at which there are not enough natural resources to support any more people |
| zoning | prevents mixing of land uses within the same district |
| Zero population growth | stable population while maintaining low death rates |
| Population trends: India | 1/2 of population is under 25 years old, large families, son preference |
| Population trends: Japan | decline in birthrate, parasite singles, few young people |
| Population trends: China | birthrates are decreasing while population ages, son preference |
| Population trends: Europe | steady population; stage 4 |
| Population trends: Sub-Sahara Africa | millions dying of aides, large birth rate |
Created by:
JackieBrawner
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