WebLessons: Teaching Social Studies and Science with Online Lessons

Study Questions Preservation for Continuation of Life
1. In your own words, why is an ecosystem not a biome?

2. What would happen to an ecosystem if all the plants disappeared?

3. Name two areas of the world that have experienced the heaviest population density increases over time?

4. How many people does each tiny dot on the maps represent?

5. What do you think happens to plant and animal populations when the human population increases so rapidly?

6. In a group of territorial animals, do you think the male or female animals have the hardest job?

7. Could you consider animals a limiting factor? Why or why not?

8. Describe one way in which humans serve as limiting factors to the ecosystem.

9. We know that fossil fuels are irreplaceable. What are two suggestions for preserving these non-renewable resources?

10. Describe two ways that heating the Earth’s atmosphere could disrupt nature’s ecosystems.

11. Which natural disasters can have a negative impact on human populations?

12. Why are fish good indicator species?

13. Based on the information in these pages, which would be the easiest for you to do to preserve resources—conserve, reduce, or recycle? Why?

14. What happened to the town each time you tried a new program?

15. What happened to the town at the end of the program?