Lesson 1 – How are ecosystems balanced?

Terms

1. Changing ecosystems

2. New species

3. Pollution

4. Landfill

5. Acid rain

 Essential Questions

1. What are some ways in which animals change ecosystems?

2. What are some ways in which people change ecosystems?

3. How are new species created?

4. About how much garbage do Americans throw away a year?

5. Where does garbage go after you throw it out?

6. How do landfills change ecosystems?

7. What is acid rain?

8. What affect does acid rain have on ecosystems?

9. How can acid rain damage be treated?