1. UNIT 3 Chapter 9 Notes
Page 18 in notebook
QUIZ #11

2. Changes in population DEMOGRAPHY – study of populations
AGE STRUCTURE – distribution of ages in a specific population, used to make predictions
POPULATION PYRAMID – graph for age structure
SURVIVORSHIP – percent of population likely to survive
LIFE EXPECTANCY – number of years individuals are likely to live
p. 212

3. INFANT MORTALITY RATE – death rate of infants less than a year old
p. 237
INFANT MORTALITY RATE – death rate of infants less than a year old
IMMIGRATION – move in
EMIGRATION – move out
FERTILITY RATE– Number of babies born for every 1000 women

4. Population Growth
p.239
The four stages of DEMOGRAPHIC TRANSITION is a model describing economic and social changes affect population growth rates.
2nd stage
1st stage
Population grows fast, death rate declines but birth rate remains high
Preindustrial, high birth and death rate
3rd stage
4th stage
Growth slows, because birth rate decreases
Birth rate drops below replacement level pop. decreases

5. Population trends
p.241
INFRASTRUCTURE – basic facilities and services that support a city
Water, power plants, roads, schools, hospitals

6. ARABLE LANDS – crop land
Also called rural
URBANIZATION – people move from rural to cities
SUBURBAN SPRAWL – people work in the city but live in suburbs