8.1 Human populations Quiz
Studying this course? Keep your progress in one place.
Pick an answer for each. Quizzes never use energy.
5 questions, one answer each
Each answer is checked as you go, with why.
See all 5 questions
1. Country: 20 million aged 0-14, 50 million aged 15-64, 5 million aged 65+. The dependency ratio is:
- A. 10
- B. 40
- C. 50
- D. 60
2. Population momentum explains why:
- A. Death rates rise as TFR falls
- B. Growth continues after TFR reaches replacement
- C. Doubling time is 70 years
- D. Immigration increases
3. Which is an example of environmental migration?
- A. Moving for a better-paid job
- B. Families leaving Lake Chad shores after drought and lake shrinkage
- C. Retiring abroad
- D. Students studying overseas
4. Niger is best described as:
- A. Stage 1 of the DTM
- B. Stage 2 of the DTM
- C. Stage 3 of the DTM
- D. Stage 5 of the DTM
5. Which statement about the stress that population growth puts on Earth's systems is best supported?
- A. Only population size matters
- B. Consumption per person has no effect
- C. Population growth and affluence both contribute
- D. Technology cannot reduce impact