Ch. 9 Key Terms Flashcards

1
Q

demography

A

the study of the characteristics of populations, especially human populations

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2
Q

age structure

A

the classification of members of a population into groups according to age or the distribution of members of a population in terms of age groups

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3
Q

survivorship

A

the percentage of newborn individuals in a population that can be expected to survive to a given age

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4
Q

fertility rate

A

the number of births (usually per year) per 1000 women of childbearing age (usually 15 to 44)

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5
Q

migration

A

in general, any movement of individuals or populations from one location to another; specifically, a periodic group movement that is characteristic of a given population or species

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6
Q

life expectancy

A

the average length of time that an individual is expected to live

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7
Q

demographic transition

A

the general pattern of demographic change from high birth and death rates to low birth and death rates, as observed in the history of more-developed countries

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8
Q

infrastructure

A

the basic facilities of a country or region, such as roads, bridges, and sewers

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9
Q

arable land

A

land that can be used to grow crops

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10
Q

urbanization

A

an increase in the ratio or density of people living in urban areas rather than in rural areas

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11
Q

least developed countries

A

countries that have been identified by the United Nations as showing the fewest signs of development in terms of income, human resources, and economic diversification

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