Across
- 3. The variety of different kinds of life in an ecosystem.
- 5. Words:
- 6. The protection of natural environments and wildlife.
- 8. Change Long-term changes in Earth's weather patterns.
- 9. Species A species that spreads and harms ecosystems it isn’t native to.
- 10. at Risk A species likely to become endangered without help.
Down
- 1. The clearing of forests for farming, logging, or development.
- 2. Able to be maintained over time without harming nature.
- 4. The natural environment where an organism lives.
- 7. A community of living organisms and their environment.
- 11. Harmful materials introduced into the environment.