Across
- 4. Cycle that all water goes through
- 8. area between high tide line, and low tide line
- 11. Organism that eats other living things
- 13. Organism that eats both producers and other animals
- 14. habitat in which fresh water and salt water meet
- 17. study of where organisms live
- 18. group of land ecosystems with similar climates and animals
- 19. soil that is frozen all year
- 20. typical weather pattern of an area
Down
- 1. series of events in which one organism eats another for energy
- 2. leafy roof formed by trees
- 3. movement of organisms
- 5. Diagram showing the flow of energy
- 6. process of changing nitrogen into a usable state
- 7. Organism that eats plants, and producers
- 9. Organism that breaks down food
- 10. Organism that uses photosynthesis to make its own food
- 12. barren land with sand
- 15. Pattern of overlaping food chains
- 16. reigon of shallow water over the Continental shelf