Across
- 3. makes its own food
- 4. eats plants
- 6. has to consume their food
- 9. a process in which phosphorus moves
- 13. rain,snow
- 14. decomposes waste
- 16. eats the food
- 18. third trophic level
- 20. when animals exhale C02
- 21. a process in which nitrogen moves
Down
- 1. they make food through photosynthesis
- 2. makes up second trophic level
- 5. opposite of rain
- 7. eats meat
- 8. position in the food chain
- 10. eats plants and meats
- 11. trophic level for plants
- 12. how plants make food
- 15. all food chains
- 17. group of organisms linked
- 19. cycle of water