AP HUGE quiz 2.1

Wednesday 10/1

Ecumene

Places of permanent human settlement

Arithmetic Density

Total number of objects in an area (divide pop. by land area)

Physiological Density

Number of people supported by a unit area of farmable land (divide pop. by arable land area)

Agricultural Density

Ratio of the number of farmers to amount of arable land (divide pop. of farmers by arable land area).

Crude Birth Rate (CBR)

Total number of live births in a year for every 1000 people alive in society.

Crude Death Rate (CDR)

Total number of deaths in a year for every 1000 people alive in society.

Natural Increase Rate (NIR)

Percentage by which population grows within a year.

Total Fertility Rate (TFR)

Defined as the average number of children a woman will have throughout her childbearing years. TFR for the world is 2.5

Population Pyramids

Displays countries’ distinctive pop. structures.

Dependency Ratio

The number of people who are too young or too old to work, compared to number of people in their productive years.

Sex Ratio

Defined as number of males per 100 females in the population.

Demographic Transition

Changes in birth and death rate in a country. Shows five stages of population change as society modernizes.

Epidemiological Transition Model

Predictable stages in disease and life expectancy that countries experience as they develop. (corresponds with DTM model)

Malthusian Theory

Idea that as human population grows, we reach our carrying capacity and our food sources are unsustainable. His theories are predicted on described checks of pop. growth.

Anti-natalist

Idea that having children is morally incorrect.

Pro-natalist

Pro-child and pop. growth.

Infant Mortality Rate (IMR)

The annual number of deaths of infants under one year of age, compared with total live births.

Doubling Time

Time it takes for a population to double- 70/r, where r is the natural increase rate.

Zero Population Growth (ZPG)

A state where a population’s size remains stable because the birth rate equals the death rates.

Overpopulation

The state where the human population rises to an extent exceeding the carrying capacity.

Carrying Capacity

The maximum population size of a species that is sustainable without depleting resources or causing irreversible damage.