Across
- 5. earths life-supporting zone
- 9. Organism that makes its own food
- 10. typical weather of a region
- 11. Organism that breaks down dead matter
- 15. Hunted animal
- 17. Eater of plants and animals
- 18. Organism that lives off another
- 19. Living thing
Down
- 1. Plant-eating animal
- 2. Non-living, in an ecosystem
- 3. Hunter of other animals
- 4. natural home of a species
- 6. Organism that consumes others for food
- 7. Living component of an ecosystem
- 8. Interconnected environment
- 10. Meat-eating animal
- 12. Number of inhabitants
- 13. large ecological area
- 14. Group living together
- 16. Organism that harbors a parasite