Agricultural Density – Flashcards
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Agricultural Revolution
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The time when human beings first domesticated plaants and animals and no longer relied entirely on hunting and and gathering.
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Arithmetic Density
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The total number of people divided by total land area.
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Census
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The single most important data source for human geographers.
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Census
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The single most important data source for human geographers.
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Crude Birth Rate
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The total number of live births in a year for every 1,000 people alive in the society.
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Crude Death Rate
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The total number of deaths in a year for every 1,000 people alive in the society.
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Demographic Transition
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A process of change in a societys population.
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Demography
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The scientific study of population characteristics.
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Dependency Ratio
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The number of people who are too young or too old to work.
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Doubling Time
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The number of years needed to double a population.
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Ecumene
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The portion of Earths surface occupied by permenant human settlement.
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Epidemiologic Transition
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Focuses on distinctive causes of death in each stage of the demographic transition.
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Epidemiology
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The branch of medical science concerned with the incidence, distribution, and control of diseases that affect large number of people.
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Industrial Revolution
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Began in England in the late eighteenth century and spead to the European continent and North America during the nineteenth century
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Infant Mortality Rate (IMR)
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The annual number of deaths of infants under 1 year of age, compared with total live births.
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Life Expectancy
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The average number of years a newborns infant can expect to live at current mortality levels.
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Medical Revolution
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Improved medical practices have eliminated many of the traditional causes of death in poorer countries.
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Natural Increase Rate (NIR)
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The percentage by which a population grows in a year.
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Overpopulated
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An area with too many people.
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Pandemic
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Disease that occurs over a wide geographic area and affects a very highly populated area.
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Physiological Density
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The number of people supported by a unit area of arable land.
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Population Pyramid
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A countrys population can be displayed by age and gender groups on a bar graph.
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Sex Ratio
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The number of males per hundred females in the population.
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Total Fertility Rate (TFR)
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The number of births in a society.
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Zero Population Growth (ZPG)
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A country reaches a stage 4 of the demographic transition when the CBR declines to the point where it equals the CRD, and the NIR approaches zero.
