1. Terrarium
Carbon Dioxide
Review
Oxygen

2. Review

3. Overuse of the rainforest and the slash and burn process causes many acres of rainforest destruction a day. How might this affect the rainforest ecosystem and the whole world?
Review

4. Prairie / Grassland / Savannah

5. How could penning grazers in the same area of a field affect the ecosystem over time?

6. OVERGRAZING

7. What are some of the results of overgrazing?

8. How does moving a grazing herd help land?

9. Why is it beneficial to rotate the animals through the different areas?

10. Can overgrazing happen in the wild? When? What will the results be?

11. Once an ecosystem has been overgrazed or harmed by humans is it possible to fix the damage?

12. How is our model of an ecosystem similar to what is found in nature
How is our model of an ecosystem similar to what is found in nature? How is it limited?

13. The Environment Can Be Modified In Other Ways Why would flooding increase in an area where development has replaced large areas of land with concrete and asphalt?