Across
- 2. non-native species introduced to an area
- 9. process where rocks are broken down into soil
- 10. shallow part of a lake
- 11. space where an organism lives
- 13. layer of gases that surround the Earth
- 14. top consumer is most affected by toxin
- 16. individuals move out of an area
- 17. water in the atmosphere forms clouds
- 18. variety of living things in an ecosystem
Down
- 1. how animals produce atp energy
- 3. deep, cold lake
- 4. role of an organism in it's ecosystem
- 5. eats both plant and animal matter
- 6. process used by plants to produce food
- 7. breaks down dead and decaying matter
- 8. preserving ecosystems for future
- 12. living factors in an ecosystem
- 15. cutting down trees