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Unit 2 Vocab
AP Human Geography
Term | Definition |
---|---|
demography | study of the statistics of the changing population regarding births, deaths, disease |
Overpopulation | more people than resources |
ecumene | inhabited land |
census | official count of a population |
population distribution | the arrangement of people living in a given area |
arithmetic population density | total number of people/total land area |
physiologic population density | total population/total areable land |
agricultural density | total number of farmers/farmable land |
crude birth rate | number of births per 1,000 people |
crude death rate | number of deaths per 1,000 people |
natural increase rate | difference between the number of live births and number of deaths occurring in a year |
doubling time | amount of time it take for a population to double |
total fertility rate | number of children who would be born per woman during child bearing years |
life expectancy | average time a person is expected to live |
population pyramid | graph that shows distribution of various age groups within a population |
dependency ratio | measure showing the number of dependents (0-14, 65-older) to the total population |
sex ratio | number of males to females in a population |
demographic transition model | illustrates the transition from high birth and death rates to low birth and death rates as a country develops |
agricultural revolution | transition from paleolithic diet to a diet of cultivated foods due to a more productive form of agriculture |
industrial revolution | started in Britain during 18th century, rapid development of industry because of advanced machinery |
medical revolution | the leap of medical knowledge in stage 2 of the demographic transition |
zero population growth | constant level of population by only producing enough births to replace the current population |
linear growth | population grows by the same amount in each time step |
exponential growth | rapid growth in population compared to total number |
Neo-Malthusians | those who believe in population control programs to ensure resources for current and future populations |
family planning | the practice of controlling the number of children in a family and the intervals between their births |
epidemiological transition | a sudden increase in population growth rates due to medical innovation |