Across
- 2. a key part of the study of ecosystems
- 3. animals that are hunted-killed by other animals
- 7. eat animals only
- 8. eat plants only
- 11. network of food chains
- 13. interaction between biotic and abiotic factors
- 14. eat producers
Down
- 1. plants and algae
- 4. eat plants and animals
- 5. eat primary consumers
- 6. a model of a real ecosystem
- 9. flow of energy between living organisms
- 10. break down dead organisms
- 12. animals that kill-hunt other animals