test 2 Flashcards
4 major clusters
1) East Asia, 2) South Asia, 3) Europe, and 4) Eastern North America
Population Density
The population of a country divided by its total area in square miles.
Physiological Density
the density beyond which people cease to be nutritionally self-sufficient using their particular adaptive strategy. (Question)
Birthrates
The number of births in a year per thousand people.
Fertility Rate
average number of children born to each woman during her reproductive years.
Death rates
Number of deaths in a year per thousand people.
Female Infanticide
People prefer boys for working on the farm, so they abort female children.
Population Pyramid- broad based pyramids suggest what?
The rapid growth of a population
Population Payramid- narrow pyramids represent what?
Approaching population stability
What do voluntary migrations do?
- Take place when the difficulties of moving seem offset by the expected rewards.
- Push-and-pull factors: act to make your old home unattractive and new home attractive.
- Push: Force you out of a country. Example: Starvation.
- Pull: Force that attracts you to a new land. Example: Free land.
- Migration is a trial-and-error process.
What is an example of forced migration?
Westward displacement of Native Americans and exportation of African slaves to America.
1st stage of demographic transformation
Stabilized population, high birth and death rate
2nd stage of demographic transformation
Population explosion, high birth, decreasing death rate
3rd stage of demographic transformation
Decreasing growth, rapidly declining birth rate
4th stage of demographic transformation
low birth and death rates, low growth of population
