Chapter 4. Chapter 4: Human Populations

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Guiding Question 4.3

What is the "demographic transition" and why is it important?

Why You Should Care

The truly transitional stage of the demographic transition is of great importance to the future of population growth. Although the classic pattern is for birth rates to outstrip death rates during this period, education, social programs, and careful planning can help control the potential for explosive growth and avert famine, war, and the other social ills associated with rapid population growth in developing nations.

Question Sequence

Test Your Vocabulary

Select the correct term to match each of the following definitions:

Term Definition
Theoretical model that describes the expected drop in once-high population growth rates as economic conditions improve the quality of life in a population.
The rate at which children must be born to replace those dying in a population.
The absence of population growth; occurs when birth rates equal death rates.
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Question Sequence

2.

Interpreting Graphs: Examine the graph in Infographic 4.4. Why is the left hand vertical axis different from the right hand vertical axis?
Because the graph is portraying trends in population growth rate and population size.
Infographic 4.5 Declining Population Growth Rates

Question Sequence

6.

Interpreting Graphs: Once again, why are there two y-axes?
One indicates population size and the other population growth rate.

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