Chapter 15.3

Question 1

a steep decline in number

Answer 1

population crash

Question 2

repeated “booms” and “busts” in number

Answer 2

population cycle

Question 3

a lag between the time when humans reduce birth rates and when population growth actually begins to slow. This lag is called

Answer 3

demographic momentum

Question 4

a summary of the numbers and proportions of individuals of each sex and each age group

Answer 4

population pyramid