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21 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Pop. Growth rate |
The change in population size over time that takes into account the number of births and deaths as well as immigration and emigration numbers. |
Change - time |
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Life Expectancy |
The # of years an individual is expected to live. |
# years |
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Crude Death Rate |
The # of deaths per 1000 individuals per year. |
# Deaths |
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Crude Birth Rate |
The # of offspring born per 1000 individuals per year. |
# born |
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Population Density |
The # of ppl per unit area. |
# ppl unit area |
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Immigration |
The movement of ppl into a given population. |
Movement ppl |
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Emigration |
The mvmt. Of ppl out of a given population. |
Mvnt. Out ppl |
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Age structure |
The % of the popul. That is distributed into various age groups. |
% ppl age |
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Sex ratio |
The relative # males/females in a popul. Calculated by dividing the # males by # females. |
Males ÷ females |
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Age structure diagram |
A graphic that displays the relative sizes of various age groups, with males shown on one side of the graphic and females on the other. |
Graphic age males females |
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Overpopulation |
More people living in an area than its natural and human resources can support. |
More ppl than resources |
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Population momentum |
The tendency of a young population to continue to grow even after birth rates drop to " replacement fertility ". (2 children per couple). |
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Infant mortality rate |
# of infants who die in their first year of life per every 1000 live births in that year. |
# infants die |
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Total fertility rate |
# children the average woman has in her lifetime |
# children women have |
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Demographic Factors |
Population characteristics such as birth rate or life expectancy that influence how a population changes in size and composition. |
Popul. Characteristics |
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More Developed Country |
A country that has moderate to high standard of living on average and an established market economy. |
Moderate to high |
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Less developed country |
A country that has a lower standard of living than a developed country and has a weak economy; may have high poverty. |
Lower standard living |
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Demographic transition |
A theoretical model that describes the expected drop in once- high popul. Growth rates as economic conditions improve the quality of life in a population. |
Model - drop high popul. |
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Zero popul. Growth |
The absence of popul. Growth. Occurs when birthday rates equal death rates. |
Absence population growth |
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Replacement fertility rate |
Rate at which children must be born to replace those dying in the population. |
Rate born replace |
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Carrying Capacity |
The population size that an area can support for the long term; depends on resource availability and the rate of per capita resource use by the population. |
Population capacity |
