The land suitable for growing crops.

Age-Sex composition graph

This is a very useful tool to study population and its commonly called a population pyramid and is based on age and gender.

Agricultural population density

This type of population density that compares the number of farmers to the area of arable land; giving an indication of the efficiency of the region’s farmers.

Arithmetic population density

The most commonly used population density and is calculated by dividing a region’s population by its total area

After a war and when peace returns, the birth rate often spikes or increases.

Once a baby boom ends, birth rates are lower for a number of years which continues until the boomers reach child-bearing age.

This occurs when the bars of a pyramid representing children born during the conflict are often shorter that the bars immediately above and below them.

This is a region’s population that can be supported without significant environmental deterioration

When reading a population pyramid the vertical axis shows age groups; sometimes listed in the middle or on the left or right side.

People under age 15 and/or older than 64. They are considered too young or too old to work full-time.

A value comparing the working to the nonworking of a population.

This is when a high number of boomers in the population are having children, there can be an increase in births that show up as a bulge on the age pyramid.

The regions between 30 degrees N and 60 degrees N and between 30 degrees S and 60 degrees S (with moderate climates and better soils).

This is when a region has more people than it can support.

Physiological population density

This is calculated by dividing population by the amount of arable land

This is a measure of the average population per square mile or kilometer of an area. It measures how crowded a place is.

Population distribution

This is the pattern of human settlement or the spread of people across the earth.

This is known as an age-sex composition graph.

The people ages 15-64 which are society’s expected work force

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Chapter 3 vocab

Term	Definition
Arable land	The land suitable for growing crops.
Age-Sex composition graph	This is a very useful tool to study population and its commonly called a population pyramid and is based on age and gender.
Agricultural population density	This type of population density that compares the number of farmers to the area of arable land; giving an indication of the efficiency of the region’s farmers.
Arithmetic population density	The most commonly used population density and is calculated by dividing a region’s population by its total area
Baby boom	After a war and when peace returns, the birth rate often spikes or increases.
Baby Bust	Once a baby boom ends, birth rates are lower for a number of years which continues until the boomers reach child-bearing age.
Birth deficit	This occurs when the bars of a pyramid representing children born during the conflict are often shorter that the bars immediately above and below them.
Carrying capacity	This is a region’s population that can be supported without significant environmental deterioration
Cohort	When reading a population pyramid the vertical axis shows age groups; sometimes listed in the middle or on the left or right side.
Dependent population	People under age 15 and/or older than 64. They are considered too young or too old to work full-time.
Dependency ratio-	A value comparing the working to the nonworking of a population.
Echo-	This is when a high number of boomers in the population are having children, there can be an increase in births that show up as a bulge on the age pyramid.
Midlatitudes	The regions between 30 degrees N and 60 degrees N and between 30 degrees S and 60 degrees S (with moderate climates and better soils).
Overpopulation	This is when a region has more people than it can support.
Physiological population density	This is calculated by dividing population by the amount of arable land
Population density	This is a measure of the average population per square mile or kilometer of an area. It measures how crowded a place is.
Population distribution	This is the pattern of human settlement or the spread of people across the earth.
Population pyramid	This is known as an age-sex composition graph.
Potential workforce	The people ages 15-64 which are society’s expected work force

Created by: ayelene

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