Across
- 2. an organism that lives in or on another organism
- 5. the cycle by which water goes into the atmosphere and comes down
- 6. relationship between two species of plants
- 8. a relationship between species which a parasite harms another
- 9. the draining away of water (or another substance)
- 12. an animal hunted and used for food
- 14. removing nitrogen
- 16. water thats stored in aquifers underground
- 17. preying on other organisms for food
- 18. to exist together at the same time
- 19. water that collects on a cold surface
- 20. the water falling rom the clouds
- 21. a cycle that almost everything on earth goes through
- 22. The relationship between a predator and prey
Down
- 1. a relationship where both organisms benefit
- 3. the process of water moving through a plant
- 4. a decaying organism
- 7. Working together to achieve one certain goal
- 10. a mutual relationship between two organisms
- 11. heat causing the water molecules to heat up and spread apart
- 13. the target of a organism dependent parasite etc...
- 15. a process by which nitrogen is taken from an object
- 21. A contest between to species in an ecosystem