APHG ch. 2 vocab
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Created by:
HannahBanana94 on November 12, 2009
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25 terms
Terms | Definitions |
|---|---|
 Agricultural Density | The ratio of the number of farmers to the total amount of land suitable for agriculture. |
| Agricultural Revolution | The time when human beings first domesticated plants and animals and no longer relied entirely on hunting and gathering |
| Arithmetic Density | The total number of people divided by the total land area. |
| Census | a period count of the population |
| Crude Birth Rate | the number of live births yearly per thousand people in a population |
| Crude Death Rate | The number of deaths per year per 1,000 people. |
| Demographic Transition | change in a population from high birth and death rates to low birth and death rates |
| Demography | the branch of sociology that studies the characteristics of human populations |
| Dependency Ratio | The number of people under the age of 15 and over age 64, compares to the number of people active in the labor force. |
| Doubling Time | the time required for a population to double in size |
| Epidemiologic Transition | Distinctive causes of death in each stage of the demographic transition. |
| Epidemiology | the branch of medical science dealing with the transmission and control of disease |
| Ecumene | The portion of Earth's surface occupied by permanent human settlement. |
| Industrial Revolution | the transformation from an agricultural to an industrial nation |
| Infant Mortality Rate | the death rate during the first year of life |
| Life Expectancy | an expected time to live as calculated on the basis of statistical probabilities |
| Medical Revolution | Medical technology invented in Europe and North America that is diffused to the poorer countries of 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 | The difference between the number of births and number of deaths within a particular country. |
| Overpopulation | The number of a people in an area exceeds the capacity of the environment to support life at a decent standard of living. |
| Pandemic | an epidemic that is geographically widespread |
| Physiological Density | The number of people per unit of area of arable land, which is land suitable for agriculture. |
| Population Pyramid | A bar graph representing the distribution of population by age and sex. |
| Sex Ratio | The number of males per 100 females in the population. |
| Total Fertility Rate | The number of children born to an average woman in a population during her entire reproductive life |
| Zero Population Growth | when the birth rate equals the death rate |
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