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S.S Population test.
i dont know when
25
Geography
7th Grade
03/26/2013

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Term
Demography
Definition
The study of HUMAN POPULATIONS, including how they change due to births, deaths, aging and migration.
Term
Carrying capacity
Definition
Maximum number of people that an environment can sustain per year.
Term
Population density
Definition
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Term
Push/Pull
Definition
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Term
Population pyramids
Definition
Show population in groups starting with the young on the bottom and the old on top
Term
Birth rate
Definition
Anual number of LIVE BIRTHS per 1000 people in a country
30 to 40 is high, 20 is low
Term
Death rate
Definition
Annual number of DEATHS per 1000 in a country. over 20 is considered high
Term
Migration
Definition
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Term
Total fertility rate
Definition
The average number of children that would be born TO EACH WOMEN DURING HER CHILD BEARING years
Term
Replacement fertility
Definition
NUMBER OF CHILDREN EACH WOMEN must have to ensure that population stays level
world replacement fertility is 2.3
Term
Life expectancy
Definition
The average number of years a person is EXPECTED TO LIVE. It is based on the death rates of specific age groups in a given population.
Term
Immigration
Definition
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Term
Emigration
Definition
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Term
Population growth
Definition
The change in population OVERTIME!!! in 2011:
135 million people will be born
57 million people will die
78 million people will increase the worlds population.
Term
Demographic transition model
Definition
A process with phases that countries move though as living conditions IMPROVE. A MODEL that helps understand POPULATION GROWTH rates in different countries over time
Term
Overpopulation
Definition
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Term
Arable land
Definition
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Term
Doubling time
Definition
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Term
Mortality rate
Definition
NUMBER OF DEATHS OF INFANTS under 1 year per 1000 people in a country
world imp: 41
USA: 6
Chad, Africa: 128
CT: 5.5
Term
Natural increase
Definition
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Term
Urban
Definition
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Term
Suburban
Definition
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Term
Rural
Definition
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Term
Developing country
Definition
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Term
developed country
Definition
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