Across
- 1. A group of living organisms that can breed together.
- 2. The natural home of a plant or animal.
- 8. The protection and preservation of the natural environment.
- 9. The large-scale removal of trees and forests.
Down
- 1. Meeting present needs without harming future generations.
- 3. A species at risk of extinction.
- 4. Harmful substances released into the environment.
- 5. The variety of all life forms on Earth.
- 6. A community of organisms and their physical environment.
- 7. When a species no longer exists.