Across
- 2. Baby tree
- 3. Capable of being decomposed
- 8. Very small plant
- 10. Diagram showing what animals eat
- 11. Part of Earth where ecosystems operate
- 14. Mass of air surrounding the Earth
- 15. "Reduce,____,recycle"
- 17. Protect from harm or maintain
- 18. Study of environments
Down
- 1. Natural home or environment
- 4. Removal of trees
- 5. Surroundings in which a living organism lives
- 6. Plants of a region
- 7. Flora's partner
- 9. Large ecological areas with flora and fauna
- 10. Large wooded area
- 12. Interacting system in which living organisms interact with the non living
- 13. Useful or edible plant
- 16. Foliage or vegetation
- 19. Combustible and vital gas
