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Population
Population-LeBlanc
| Word | Definition |
|---|---|
| agricultural density | the ration of the number of farmers to the total amount of land suitable for agriculture |
| agricultural revolution | time when human beings frist domesicated plants and animals and no longer relied on hunting and gathering |
| arithmetic density | the total number of people divided by the total land area |
| census | a complete enumeration of a population |
| crude birth rate | the total number of live births in a year for every 1000 people alive in the society |
| crude death rate | the total number of deaths in a year for every 1000 people alive in the society |
| demographic transition | a process of change in a society's population |
| demography | the scientific study of population characteristics |
| dependancy ratio | the number of people under the age of 15 and over age 64, compared to the number of people active 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 permenant human settlement |
| industrial revolution | a series of improvements in industrial technology that transformed the process of manufacturing goods |
| infant moratility rate | the total number of deaths in a year among infants under one year old for every 1000 live births in a society |
| life expectancy | the average number of years a newborn infant can expect to live at current mortality levels |
| medical revolution | medical technology invented in Europe and North America difused to the less developed countries of Africa, Asia, and Latin America |
| natural increase rate | the percentage by which a population grows in a year |
| overpopulation | the number of people in an area exceeds the capacity of the environment to support life at a decent standard of living |
| physiological density | the number of people supported by a unit area of arable land |
| population pyramid | a country's population displayed by age and gender groups on a bar graph |
| sex ratio | the number of males per 100 females in the population |
| total fertility rate | the average number of children a woman will have throughout her child bearing years |
| zero population growth | when a country's crude birth rate declines until it equals the crude death rate and the natural increase rate approches 0 |
Created by:
017210
on 2005-04-15