Across
- 2. This ecosystem is in water (starts with "A").
- 4. This ecosystem is on land (starts with "T").
- 5. Animals that eat plants and animals.
- 10. These break down animal matter into chemicals.
- 12. Animals that eat other animals.
- 15. These break down dead plants into tiny pieces.
- 16. These animals eat roots.
- 18. The "cleanup crew".
- 20. Algae use this to make their own food.
- 21. Most algae are this size.
- 22. Animals that only eat plants.
- 23. Some bacteria can cause this.
- 24. These eat dead wood.
Down
- 1. Animals that eat dead organisms.
- 3. In oceans algae are food to these animals.
- 6. One type of fungi is this.
- 7. This means to "break into parts".
- 8. These only eat dead animals.
- 9. These are the smallest organisms in the world.
- 11. In oceans these are the most important producers.
- 13. Spiders eat these.
- 14. These organisms make their own food.
- 17. These organisms cannot make their own food.
- 19. In any ecosystem there is a lot of this going on.
