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AP Human Geography - Unit 2
Flashcards for Unit 2: Population and Migration
21
Geography
9th Grade
10/05/2010

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Term
What is the difference between arithmetic population density and physiologic population density?
Definition
Arithmetic population density is the amount of people per unit area of all land, while physiologic is the amout of people per unit are of agriculturally productive land.
Term
What is the difference between linear and exponential growth?
Definition
Linear growth rates when shown on graphs are straight lines and exponential rates curve.
Term
population composition
Definition
The distribution within a group of people of specified individual attributes such as sex, age, marital status, education, etc.
Term
age-sex pyramid
Definition
a chart in which it is shown how many people there are in one country/area according to age and sex. aka population pyramid
Term
stationary population level
Definition
a population containing a basically even distribution of age groups
Term
population concentrations
Definition
areas of land where people are most dense
Term
crude birth or death rate
Definition
birth or death rate that doesn't factor in other rates
Term
population structure
Definition
how a country or place is made up of people of different ages, and of males and females
Term
megalopolis
Definition
huge urban agglomerations
Term
arable land
Definition
land that can be farmed on
Term
population policies
Definition
policies in governments that control immigration
Term
density
Definition
the amount of people per unit area
Term
doubling time
Definition
the amount of time it takes for an area to double its population
Term
natural increase
Definition
the crude birth rate minus the crude death rate of a population
Term
total fertility rate
Definition
the expected number of children born per woman in her child-bearing years
Term
distribution
Definition
the locations on earth's surface where individuals or groups live
Term
migration
Definition
the movement of objects from one area to another
Term
infant mortality rate
Definition
the number of deaths of babies under one year of age per 1000 live births
Term
demography
Definition
the study of population
Term
population explosion
Definition
the unchecked growth in human population resulting from a decrease in infant mortality and an increase in longevity
Term
demographic transition
Definition
used to represent the transition from high birth and death rates to low birth and death rates as a country develops from a pre-industrial to an industrialized economic system
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