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AP Human Geography Chapter 2 Key Terms


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doubling time
time required for a population do double
child mortality rate (CMR)
number of children that die between the first and fifth year of their lives
population distribution
description of locations on the Earth's surface where populations live
infant mortality rate (IMR)
describes the number of babies that die within the first year of their lives
eugenic population policies
government policies to favor one racial sector
chronic diseases
long lasting afflictions now more common because of higher life expectancies
life expectancy
how long, on average, a person may be expected to live
expansive population policies
government policies that encourage large families
dot maps
maps where one dot represents a certain number of a phenomenon, such as population
natural increase
population growth measured as excess of live births over live deaths
demographic transition
multi stage model of changes in population growth in countries undergoing industrialization
Acquired Immune Deficiency Syndrome
population density
a measurement of the number of people per given unit of land
population explosion
rapid growth of worlds human population during the last century
a periodic and official count of a country's population
term used to designate large coalescing supercities that are forming in diverse parts of the world
restrictive population policies
government policies to reduce the rate of natural increase
physiologic population density
the number of people per unit area of arable land
stationary population level (SPL)
level at which national population ceases to grow
crude birth rate (CBR)
number of live births yearly per thousand people
population composition
structure of a population in terms of age, sex, and other properties
arithmetic population density
the population of a country or region expressed as an average per unit area
population pyramids
visual representation of age and sex composition of a population
crude death rate (CDR)
number of live deaths yearly per thousand people

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