Across
- 3. When something harms a habitat and its ecosystem.
- 7. When something [that has not been genetically interfered with] derives from nature and living matter.
- 9. When something is maintainable.
- 10. Another term for protecting resources.
- 11. Another term for protecting a place.
- 12. A layer of gases that envelope the earth.
- 17. When a high-quality item is made using recycled items.
- 18. Gases that pollute the atmosphere.
- 19. Turns decayed organic matter into fertilizer.
- 20. The natural place of residence/origin of a species or organism.
Down
- 1. The climate and location in which an organism resides.
- 2. The process of turning a used item into a usable item.
- 4. A zone within the atmosphere where oxygen lies.
- 5. Trash or pollution that is thrown into a random habitat illegally.
- 6. When a resource can be reused over a large course of time.
- 8. When something has its origins from the sun.
- 13. A community of interacting organisms within one place
- 14. When a species no longer has a stable population and cannot reproduce.
- 15. A place full of items deemed to have served their usage.
- 16. The study of organisms' relations with one another.