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APHG CH. 2 VOCAB

ENGLISH 1

TermDefinition
Agricultural density The ratio of the number of farmers to the total amount of land suitable for agriculture
Arithmetic Density The total number of people divided by the total land area
Census A complete enumeration of an area.
Crude birth rate (CBR) The total number of live births in a year for every thousand people live in the society
Crude death rate (CDR) The total number of deaths in a year for every thousand people live in society.
Demographic transition The process of change in a society's population from a condition of high crude birth and death rates and a low rate of natural increase to a condition of low crude birth and death rates low rate of natural increase and higher total population
Demography The scientific study of population characteristics
Dependency ratio The number of people under age 15 and over age 64 compared to the number of people alive in the labor force
Doubling time The number of years needed to double-a population assuming a constant rate of natural increase
Ecumene The portion of earth's surface occupied by permanent human settlement.
Epidemiologic translation Distinctive causes of death in each stage of the demographic transition
Epidemiology The branch of medical science concerned with the incidence distribution and control of disease that are prevalent among a population at a special time and are produced by some special causes not generally present in the affected locality
Industrial revolution A series of improvements in industrial technology that transformed the process of manufacturing goods
Infant mortality rates (IMR) the total number of deaths in a year among infants under one year of age for every 1000 live births in a society
Life expectancy The average number of years an individual can be expected to live given current social economic and medical conditions life expect expectancy at Birth is the average number of years a newborn infant can expect to live
Medical revolution Medical Technology invented in Europe in North America that has diffused to the poor countries in Latin America Asia and Africa improve medical practices have eliminated many of the traditional causes of death in poor countries and enable more people to l
Natural increase rate (NIR) The percentage growth of a population in a year computed as the crude birth rate minus the crude death rate
Overpopulation A situation in which the number of people in the area exceeds the capacity of the environment to support life at a decent standard of living
Pandemic Disease that occurs over a wide geographic area and affects a very high proportion of the population
Physiological density The number of people per unit of area of arable land which is
Population density A bar graph that represents the distribution of population by age and sex
Sex ratio The number of males per 100 females in a population
Total fertility rate (TFR) The average number of children a woman will have throughout her childbearing years
Zero population growth a decline of the total fertility rate to the point where the natural increase rate equals zero
Created by: macyd04