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AP HuG Unit Two
AP HuG Unit Two Review
| Term | Definition |
|---|---|
| Emigration | To migrate away from a country into another one. |
| Immigration | To migrate into a country. |
| Population distribution | The way a population is organized (clustered, dispersed) |
| Industrial revolution | The transition from creating goods by hand to using machines. |
| Agricultural density | The comparison of the number of farmers to the area of arable land. |
| Arable land | Land that is suitable for growing crops |
| Arithmetic density | The comparison of the total population of an area divided by the total area |
| Ecumene | Land that is permanently populated by humans |
| Intervening obsticles | Barriers that make it harder for an immigrant to reach their desired destination. |
| Intervening opportunities | Opportunities migrants occur on route that disrupt their original migration plan |
| Physiological density | The comparison of the total population divided by the amount of arable land |
| Pull factors | Positive factors that attract people to a certain area |
| Push factors | Negative circumstances, events, or conditions present where someone lives that compels them to leave. |
| Carrying capacity | The number of people a region can support without damaging the environment |
| Overpopulation | When a region has more people than it can support. |
| Replacement-fertility level | The level of fertility at which a population replaces itself from one gen to the next. |
| Age-sex ratio | How long people tend to live based on sex. |
| Population pyramid | A graph that shows info on birth rates, death rates, and life expectancy based on sex. |
| zero population growth | When the crude birth rate and crude death rate are equal so the population remains the same |
| Crude birth rate | Number of births in a country in one year per 1000 people |
| Crude death rate | Number of deaths in a country in one year per 1000 people |
| Demography | The statistical study of human populations |
| Doubling time | The estimated amount of time it will take for a country's population to double |
| Fertility | The ability for women to have children |
| Infant mortality rate | The measurement of how many infants in a country each year per 1000 children will die |
| Medical revolution | When medical technology is diffused to poorer countries. |
| Mortality | Mortality is the ability to die |
| Rate of Natural Increase | The crude birth rate minus the crude death rate |
| Total fertility rate | The average amount of children a women has in her life |
| Demographic transition model | A graph that shows the five typical stages of population change |
| Epidemiological transition model | Shows predictable stages in disease and life expectancy that countries experience as they develop. |
| Anti-natalist policies | Programs designed to decrease fertility rate |
| Pro-natalist policies | Programs designed to increase fertility rate |
| Contraception | The intentional prevention of pregnancy |
| Dependency ratio | The comparison between the dependent population and the potential workforce |
| Graying population | The percentage of a population over 65 |
| Life expectancy | The average age people live in their individual countries |
| Asylum seeker | Someone who seeks asylum; or protection granted by a country to an immigrant who has a fear of harm or death if they return home. |
| Chain migration | The trend that when people immigrate, they migrate towards people they know |