Define age structure diagram .

An age structure diagram (also called a population pyramid) is a graphical representation of a population's age and sex structure , usually drawn as a horizontal bar graph.

What are the three main age categories shown in an age structure diagram?

The three main age categories are pre-reproductive , reproductive , and post-reproductive .

True or False? In an age structure diagram, the male population is shown on the right side.

False. The male population is shown on the left side and the female population on the right side.

What does a pyramid-shaped age structure diagram with a broad base indicate?

A pyramid shape with a broad base indicates a rapidly growing population with a high proportion of young individuals .

In an age structure diagram, age groups are displayed along the axis.

In an age structure diagram, age groups are displayed along the vertical axis.

What does a bell-shaped age structure diagram indicate?

A bell shape indicates a stable population with balanced age groups .

What challenges does a rapidly growing population create?

A rapidly growing population increases demand on resources such as food, water, and education, and strains healthcare and infrastructure systems.

True or False? An inverted age structure diagram indicates a rapidly growing population.

False. An inverted shape indicates a declining population , with fewer young individuals than older ones.

Which three groups can an age structure diagram be used to identify?

An age structure diagram can identify young dependents , old dependents , and the economically active (working) population.

Rapidly growing populations have high fertility rates and short times.

Rapidly growing populations have high fertility rates and short generation times.

How do governments use age structure diagrams?

Governments use them to forecast future population growth and plan social and economic policies , so they can estimate future spending.

What shape of age structure diagram do low-income countries such as Niger typically have?

Low-income countries such as Niger typically have a concave pyramid , showing a high birth rate, high death rate, high infant mortality rate, and low life expectancy.

AP®Environmental ScienceCollege BoardFlashcardsUnit 3: PopulationsAge Structure Diagrams

Age Structure Diagrams (College Board AP® Environmental Science): Flashcards

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Define age structure diagram.

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Define age structure diagram.
An age structure diagram (also called a population pyramid) is a graphical representation of a population's age and sex structure, usually drawn as a horizontal bar graph.
What are the three main age categories shown in an age structure diagram?
The three main age categories are pre-reproductive, reproductive, and post-reproductive.
True or False?
In an age structure diagram, the male population is shown on the right side.
False.
The male population is shown on the left side and the female population on the right side.
What does a pyramid-shaped age structure diagram with a broad base indicate?
A pyramid shape with a broad base indicates a rapidly growing population with a high proportion of young individuals.
In an age structure diagram, age groups are displayed along the axis.
In an age structure diagram, age groups are displayed along the vertical axis.
What does a bell-shaped age structure diagram indicate?
A bell shape indicates a stable population with balanced age groups.
What challenges does a rapidly growing population create?
A rapidly growing population increases demand on resources such as food, water, and education, and strains healthcare and infrastructure systems.
True or False?
An inverted age structure diagram indicates a rapidly growing population.
False.
An inverted shape indicates a declining population, with fewer young individuals than older ones.
Which three groups can an age structure diagram be used to identify?
An age structure diagram can identify young dependents, old dependents, and the economically active (working) population.
Rapidly growing populations have high fertility rates and short times.
Rapidly growing populations have high fertility rates and short generation times.
How do governments use age structure diagrams?
Governments use them to forecast future population growth and plan social and economic policies, so they can estimate future spending.
What shape of age structure diagram do low-income countries such as Niger typically have?
Low-income countries such as Niger typically have a concave pyramid, showing a high birth rate, high death rate, high infant mortality rate, and low life expectancy.

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