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Terms
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- canopy
- The third layer from the bottom of the rainforest
- Green revolution
- term used to describe the transformation of agriculture in many developing nations that led to significant increases in agricultural production between the 1940s and 1960s
- death rate
- the # of deaths per year for every 1,000 people
- urbanization
- movement of people from rural areas to cities.
- immigrants
- People who move from one region to another.
- vegetation
- all the plant life in a particular region
- climate
- the weather in some location averaged over some long period of time
- population density
- The average number of people in a square mile or square kilometer.
- rual areas
- little population
- life expectancy
- number of years a person is expected to live
- tundra
- a vast treeless plain in the arctic regions between the ice cap and the tree line
- tempature
- measure of kinetic energy in an object
- urban areas
- high population
- percipitation
- water that falls from the atmosphere to the Earth as rain,sleet , or snow
- demographers
- Studies the population of the world, and the birth rate, marriage rate, and death rate.
- population
- a group of organisms of the same species populating a given area
- population dristribution
- decribes the way the population spreads over the world
- vertical climate
- where the climate changes according to the mountain's height
- birthrate
- the # of births per year for every 1,000 people