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30 Cards in this Set
- Front
- Back
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Drought |
an unusually long period in which little or no rain falls |
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Doubling time |
the length of time it takes a population to double |
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famine |
a severe shortage of food that results in widespread hunger |
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Rate of Natural Increase |
the annual rate of population growth
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Zero Population Growth |
A condition in which the population of a country does not grow, but remains the same |
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Landscape |
a large area with a particular kind of scenery, such as a desert landscape |
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basins |
a bowl-shaped depression, or hollow, in Earth's surface |
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Floodplains |
the flat area around a river that is covered with sediment as a result of frequent flooding |
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Birthrate |
The number of births per for every 1000 people in a population |
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Deathrate |
the number of deaths per year for every 1000 people in a population |
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consumption |
the using up of goods and services |
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Hydroelectric power |
electricity that is generated by the power of moving water |
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Renewable resource |
a resource that can't be used up or that can be replaced as quickly as it is used up |
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Ecosystem |
a community of all living things in an area and the environment in which they live |
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habitat |
the natural environment in which a plant or animal lives |
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migrant workers |
a person who moves regularly in order to find work, especially in harvesting crops |
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Developing Countries |
a poorer country with a less advanced economy (low GDP) |
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Urban |
found or living in a city |
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Population density |
the average number of people who live in a unit of area |
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Arable land |
land suitable for growing crops |
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Arithmetic Population density |
the population of a country divided by its total land mass |
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Physiological Population density |
the population of a country divided by its arable land area |
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Population distrabution |
where people live in a county, whether its crowded together in cities, or spread out across the countryside |
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tectonic plates |
a large piece of earth's crust that floats on the liquid mantle |
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Tsunamis |
a huge, destructive wave caused by an earthquake or volcano eruption |
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megaloplis |
a very large city |
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extended families |
a family made up of parents,children, grandparents, and sometimes more distant family |
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nuclear family |
a family made up of parents and their children |
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subterranean |
found or existing under the ground |
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terracing |
the creation of flat areas on mountain slopes for the purpose of farming |
