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Chapter 2:Population
vocab for chapter 2
| Question | Answer |
|---|---|
| overpopulation | number of people and the availability of necessary resources needed |
| demography | scientific study of population characteristics |
| ecumene | the portion of Earth's surface occupied by permanent human settlement |
| What are the four regions with a sparse amount of people? | dry lands, cold lands,high lands and wet lands |
| why are wet, dry, cold, and high lands not very inhabitable? | because they have bad conditions to farm and build |
| arithmetic density | total # of people divided by total land area |
| physiological density and arable land | # of people per unit of arable land (arable land=land suited for agriculture) |
| agricultural density | ratio of the # of farmers to the amount of arable land |
| Crude birth rate (CBR) | total # of live births in a year for every 1,000 people alive in the society |
| crude death rate (CDR) | total # of deaths in a year for every 1,000 people alive in the society. |
| Natural increase rate | percentage by which population grows in a year |
| doubling time | # of years needed to double a population, assuming a natural increase. |
| total fertility rate (TFR) | number of births in a society |
| infant mortality rate (IMR) | annual # of infant deaths under one year of age compared with total live births |
| Life expectancy | birth measures the average number of years a newborn infant can expect to live current mortality levels |
| demographic transition | a similar process of change in a society's population |
| agricultural revolution | time when human beings first domesticated plants and animals and no longer relied entirely on hunting and gathering |
| industrial revolution | a quick major improvement in industrial technology. |
Created by:
savannahh1
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