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Environmental Science Ch. 9
Definitions of Ch. 9
11 cards·by Nalley2019
Scientific study of human populations.
Demography
The distribution of ages in a specific population at a certain time.
Age Structure
The percentage of members in a group that are likely to survive to any given age.
Survivorship
the average number of children a woman of childbearing years would have in her lifetime, if she
had children at the current rate for her cou
Fertility Rate
movement of people from one place to another
Migration
The average number of years members of a population that is likely to survive.
Life Expectancy
The average number of years members of a population that is likely to survive.
Demography Transition
the basic physical and organizational structures and facilities (e.g., water, sewer lines,
power plants, roads, subways)
Infrastructure
land that can be used to grow crops.
Arable Land
Movement of people from rural areas to cities.
Urbanization
countries that have been identified by the United Nations as showing the fewest signs of
development in terms of income, human resources, an
Least Developed Countries