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24 Cards in this Set

  • Front
  • Back

Agricultural density (p. 49)

The ratio of the number of farmers to the total amount of land suitable for agriculture.

Arithmetic density (p. 48)

The total number of people divided by the total land area.

Census (p. 45)

A complete enumeration of a population.

Crude Birth Rate (CBR)

(p. 50)

The total number of live births in a year for every

1, 000 people alive in the society.

Crude Death Rate (CDR) (p.50)

The total number of deaths in a year for every 1,000 people alive in the society.

Demographic transition

(p. 56)

The process of change in a society's population from a condition of high crude birth and death rates and low rate of natural increase to a

condition of low crude birth and death rates, low rate of natural increase, and higher total


Demography (p. 44)

The scientific study of

population characteristics.

Dependency ratio (p. 54)

The number of people under age 15 and over age 64 compared to the number of people active in the

labor force.

Doubling time (p. 50)

The number of years needed to double a

population, assuming a conatant rate of natural


Ecumene (p. 47)

The portion of Earth's

surface occupied by

permanent human


Epidemiologic transition

(p. 64)

Distinctive causes of death in each stage of the

demographic transition.

Epidemiology (p. 64)

The branch of medical science concerned with the incidence, distribution, and control of

diseases 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 (p. 56)

A series of improvements in industrial technology that transformed the process of manufacturing goods.

Infant Mortality Rate (IMR) (p. 70)

The total number of deaths in a year among infants

under one year of age for every 1,000 live births in a society.

Life expectancy (p. 65)

The average number of years an individual can be expected to live, given current social,

economic, and medical conditions. Life

expectancy at birth is the average number of years a newborn infant can expect to live.

Medical revolution (p. 56)

Medical technology invented in Europe ad North America that has diffused to the poorer

countries in Latin America, Asia, and Africa.

Improved medical practices have eliminated many of the traditional causes of death in poorer countries and enabled more people to live longer and healthier lives.

Natural Increase Rate (NIR) (p. 50)

The percentage growth of a population in a year, computed as the crude birth rate minus the crude death rate.

Overpopulation (p. 44)

A situation in which the number of people in an area exceeds the capacity of the environment to support life at a decent standard of living.

Pandemic (p. 64)

Disease that occurs over a wide geographic area and affects a very high

proportion of the


Physiological density (p. 48)

The number of people per unit of area of arable land, which is land suitable for agriculture.

Population pyramid (p. 54)

A bar graph that

represents the distribution of population by age and sex.

Sex ratio (p. 54)

The number of males per 100 females in the


Total Fertility Rate (TFR)

(p. 52)

The average number of children a woman will have throughout her

childbearing years.

Zero Popultion Growth (ZPG) (p. 57)

A decline in the total

fertility rate to the point where the natural increase rate equals zero.