APHG Chapter 3 Vocab

Vocab for the entire unit of chapter 3

Population Distribution

Population Distribution

Where people live in a geographic area

Climate

The long-term patterns of weather in a particular area

Temperate Climates

A climate with moderate temperatures and adequate precipitation amounts

Landforms

The natural features of Earth’s surface

Human Migration

The permanent movement of people from one place to another

Population Density

The number of people occupying a unit of land

Arithmetic Density

The total number of people per unit area of land; also called crude density

Physiological Density

The total number of people per unit of arable land

Arable Land

Land that can be used to grow crops

Agricultural Density

The total number of farmers per unit of arable land

Subsistence Agriculture

An agricultural practice that provides crops or livestock to feed one’s family and close community using fewer mechanical resources and more people to care for the crops and livestock

Carrying Capacity

The maximum population size an environment can sustain

Dependency Ratio

The number of people in an age group (under age 15 and over age 65) divided by the number of people in the working-age group (ages 15-64) multiplied by 100

Sex Ratio

The proportion of males to females in a population

Demographics

Data about the structures and characteristics of human populations

Fertility

The ability to produce children

Crude Birth Rate (CBR)

The number of births in a given year per 1,000 people given in a population

Total Fertility Rate (TFR)

The average number of children one woman in a given country or region will have during her childbearing years (ages 15-49)

Mortality

Deaths as a component of population change

Crude Death Rate (CDR)

The number of deaths given in a year per 1,000 people in a given population

Infant Mortality Rate (IMR)

The number of deaths of children under the age of 1 per 1,000 live births

Life Expectancy

The average number of a years a person is expected to live

Population Pyramids

A graph that shows the age-sex distribution of a given population