UNIT 2 - Key Terms

Question 1

Population Density

Answer 1

Number of people per unit of land.

Question 2

Arithmetic Density

Answer 2

Total population ÷ total land area.

Question 3

Physiological Density

Answer 3

Population ÷ arable (farmable) land.

Question 4

Agricultural Density

Answer 4

Farmers ÷ arable land.

Question 5

Carrying Capacity

Answer 5

Max population an environment can support.

Question 6

Population Distribution

Answer 6

Pattern of where people live.

Question 7

Overpopulation

Answer 7

When population exceeds resources available.

Question 8

Demographic Transition Model (DTM)

Answer 8

Model of population change over time.

Question 9

Epidemiological Transition Model (ETM)

Answer 9

Model showing causes of death in each stage of DTM.

Question 10

Crude Birth Rate (CBR)

Answer 10

Number of births per 1,000 people per year.

Question 11

Crude Death Rate (CDR)

Answer 11

Number of deaths per 1,000 people per year.

Question 12

Natural Increase Rate (NIR)

Answer 12

Birth rate minus death rate (percent growth).

Question 13

Total Fertility Rate (TFR)

Answer 13

Average number of children a woman will have.

Question 14

Infant Mortality Rate (IMR)

Answer 14

Number of deaths of infants under 1 per 1,000 live births.

Question 15

Life Expectancy

Answer 15

Average number of years a person is expected to live.

Question 16

Population Pyramid

Answer 16

Bar graph showing age and sex distribution.

Question 17

Dependency Ratio

Answer 17

Ratio of dependents (old/young) to working-age people.

Question 18

Pronatalist Policies

Answer 18

Government policies to encourage births.

Question 19

Antinatalist Policies

Answer 19

Government policies to discourage births.

Question 20

Migration

Answer 20

Permanent move from one place to another.

Question 21

Emigration

Answer 21

Leaving a country.

Question 22

Immigration

Answer 22

Coming into a country.

Question 23

Push Factors

Answer 23

Negative reasons people leave a place (ex: war).

Question 24

Pull Factors

Answer 24

Positive reasons people move to a place (ex: jobs).

Question 25

Intervening Obstacles

Answer 25

Barriers that make migration harder (ex: mountains, laws).

Question 26

Voluntary Migration

Answer 26

People move by choice.

Question 27

Forced Migration

Answer 27

People are forced to move (ex: slavery, war).

Question 28

Refugees

Answer 28

People forced to flee their home country.

Question 29

Internally Displaced Persons (IDPs)

Answer 29

People forced to move within their own country.

Question 30

Chain Migration

Answer 30

Migration because relatives or friends migrated first.

Question 31

Step Migration

Answer 31

Migration in small stages toward a final destination.

Question 32

Guest Workers

Answer 32

People who migrate temporarily for work.

Question 33

Remittances

Answer 33

Money sent back home by migrants.

Question 34

Brain Drain

Answer 34

Loss of educated/talented people from a country.

Question 35

Transnational Migration

Answer 35

Migration across national boundaries.

Question 36

(Important for AP HUG Exam)

Answer 36

Know the DTM stages and what countries fit them. Know why people migrate and examples of push/pull factors. Memorize the difference between refugees, IDPs, and guest workers.