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Ch 3 Vocab
Term | Definition |
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Population Distribution | Where people life in a geographic area |
Climate | The long-term patterns of weather in a particular area |
Temperate Climates | A climate with moderate temperatures and adequate precipitation amounts |
Landforms | The natural features of Earth's surface |
Human Migration | The permanent movement of people from one place to another |
Population Density | The number of people occupying a unit of land |
Arithmetic Density | The total number of people per unit area of land; also called crude density |
Physiological Density | The total number of people per unit of arable land |
Arable Land | Land that can be used to grow crops |
Agricultural Density | The total number of farmers per unit of arable land |
Subsistence Agriculture | An agricultural practice that provides crops or livestock to feed one's family and close community using fewer mechanical resources and more people to care for the crops and livestock |
Carrying Capacity | The maximum population size an environment can sustain |
Dependency Ratio | The number of people in a dependent age group (under age 15 or over age 65) divided by the number of people in the working-age group (ages 15-64) multiplied for 100 |
Sex Ratio | The proportion of males to females in a population |
Demographics | Data about the structures and characteristics of human populations |
Fertility | The ability to produce children |
Crude Birth Rate (CBR) | The number of births in a given year per 1,000 people in a given population |
Total Fertility Rate (TFR) | The average number of children one woman in a given country or region will have during her childbearing years (ages 15-49) |
Mortality | Deaths as a component of population change |
Crude Death Rate (CDR) | The number of death in a given year per 1,000 people in a given population |
Infant Mortality Rate (IMR) | The number of deaths of children under the age of 1 per 1,000 live births |
Life Expectancy | The average number of years a person is expected to live |
Population Pyramids | A graph that shows the age-sex distribution of a given population |