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SES Week 7

World Population in 2008 6.7 billion
Estimated population for 2050 7.2-10.6
rate of growth in the world 80 million new people every year
what is the population change equation PC=(births+immigration)-(Deaths+emigration)
what is the crude birth rate? births per 1000 people in a population/year
what is the crude death rate? deaths per 1000 people in population/year
what is the total fertility rate the number of children a woman has had during her lifetime, averaged for population. same as biotic potential
what is the replacement level fertility the number of children needed to replace everyone in the population. this varies between regions.
what is zero population growth birth rate = death rate
sex ratio relative number of males and females in a population
age distribution number of individuals of each age in a population
growth is determined by________. teenagers
traits of developed countries low infant mortality rates life expectancy 77 years total fertility rate 2 21% population <15 12% population >65 per capita GDP 36,110
traits of developing countries high infant morality rates life expectancy 52 years total fertility rate 5.7 44% population <15 3% population >65 per capita GDP 800$
factors that determine the impact of a society on natural resources. population size, population density, degree of technological development
demography study of populations and their characteristics
factors affecting birth rates and total fertility rates children in the labor force cost of raising and education children avalibility of pension systems urbanization education and employment for women infant mortality rates average marrying rate abortion avaliability of birth control
what is the major factor in determining the family size is the role of ________ in society. women
Created by: wintergirl15