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Ch 2: Population
Population
| Question | Answer |
|---|---|
| the study of human populations | demography |
| the number of people per unit of measurement | population density |
| you get this by dividing population by land area | arithmetic density |
| you get this by dividing population by arable land area | physiologic density |
| where people live | population distribution |
| land that is suitable for agriculture | arable land |
| a large area of the world that has a lot of people and high population density | population cluster |
| term used to describe a large urban area comprised of several cities that have grown together | megalopolis |
| region for which the term megalopolis was created | eastern US |
| the feared result of rapid population growth exceeding food supplies. Paul Ehrlich coined the term | population bomb |
| writer that first raised concerns about population growth in 1798 | Thomas Malthus |
| according to Malthus, how population grows | exponentially |
| according to Malthus, how food supply grows | linearly |
| term for the extremely rapid population growth during the 19th and 20th centuries | population explosion |
| period during which chemical fertilizers, pesticides, and hybrid seed varieties enabled food production to increase exponentially | green revolution |
| the percent by which a population increases from year to year | population growth rate |
| the number of babies born per 1000 people in a society | crude birth rate |
| the number of deaths per 1000 people in a given year | crude death rate |
| population growth expressed using only births and deaths | rate of natural increase |
| migration into a country | immigration |
| migration out of a country | emigration |
| immigration minus emigration | net migration rate |
| the average number of babies born per woman | total fertility rate |
| the TFR needed for a population to sustain itself | replacement rate |
| what happens when TFR and net migration drop too low | negative population growth |
| the number of years it takes for a population to double at a given growth rate | doubling time |
| the number of people over 65 per 100 youths under 15 in a society | aging index |
| the tendency for population to stabilize as a country develops economically | demographic transition |
| term for the situation in which birth rates roughly equal death rates | stationary population level |
| a country that is wealthy and whose citizens have access to all modern conveniences | developed state |
| a country that is poorer and in which many citizens do not have access to modern conveniences | developing state |
| the age and gender breakdown of a population | population composition |
| graphic that shows the population composition for a given place | population pyramid |
| the ratio of providers and dependents in a society | dependency ratio |
| someone who is unable to provide for him/herself | dependent |
| someone who earns money and contributes to the care of others | provider |
| the number of people in a society who are willing and able to work | workforce |
| policies which encourage people to have more children | pronatalist policies |
| policies which discourage people from having lots of children | antinatalist policies |
| policies which encourage some people to have children while discouraging others | eugenic policies |
| things that encourage people to do something (such as have children) | incentives |
| China's famous population control strategy | one-child policy |
| the ratio of women to men in a country | gender ratio |
Created by:
rowej78
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