Across
- 3. - An area dominated by grasses, home to herds of animals.
- 8. - An underwater ecosystem made of coral.
- 9. - Swamps or marshes with diverse wildlife.
- 10. - A cold, treeless area in the Arctic.
Down
- 1. - A large area covered with trees.
- 2. - A high, rocky area where eagles and mountain goats live.
- 4. - A dense, tropical forest with a lot of rainfall.
- 5. - A grassy plain with few trees, home to lions and elephants.
- 6. - A dry area with little rain and special plants and animals.
- 7. - A large body of saltwater covering most of the earth.