Unit Two AP Exam Flashcards
Population Distribution: Where are people and why do people live where they do?
South Asia, South East Asia, East Asia. People tend to avoid places too wet, too dry, too cold, or too mountainous.
Ecumene
The portion of the Earth’s surface occupied by permanent human settlement.
Arithmetic Density
People divided by the total land area
Physiological Density
People per unit of arable land
Agricultural Density
The ratio of farmers to the total amount of land suitable for agriculture.
Carrying Capacity
A number of people a place can keep alive with a certain amount of resources
Describe Stage One DTM
Low growth, high CBR high CDR
Describe Stage Two DTM
High Growth, high CBR, decreasing CDR because of medical advancements
Describe Stage Three DTM
Moderate Growth, decreasing CBR, slowly decreasing CDR
Describe Stage Four DTM
Low Growth, low CBR, low CDR, zero population growth
NIR
the percentage of people in a year computed as the crude birth rate CBR-CDR
Doubling Time
The time it takes for the population to double
CBR
babies born for every 1000 people in a year
CDR
deaths for every 1000 people in a year
Sex Ratio
females per 100 males
Maternal Mortality Rate
Moms dead per 100,000 births
Dependency Ratio
People >15 and 64+ compared to the people active in the workforce.
Malthusian Theory
People will outgrow a number of resources available
ETM
things that kill according to the DTM stages
Pronatalist
More babies
Antinatalist
Less babies
Zero Population Growth
When Births|Immigration = Deaths|Emigration
Push Factors
Famine, disease, political, etc. -
Pull Factors
Jobs, freedom, etc. +
