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Chapter 2:Population

vocab for chapter 2

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