1. What does the term "Physiological density" as applied to human population mean?

2. Even though older populations are growing in wealthier countries, younger workers do not have to worry about higher taxes to provide essential services for the elderly. True or False

3. Explain push and pull factors and share how they influence contemporary migration.

4. Summarize the main stages of the demographic transition and the reasons why a society moves from one stage to another.

5. Country X has a crude birth rate of 42 and a crude death rate of 17, while Country Y has a crude birth rate of 20 and a crude death rate of 5. Which country has a lower natural increase rate?

a. Country Y

b. Country X

c. The rate is the same in both countries

d. The rate can't be computed