Across
- 6. Population
- 8. Biosphere
- 10. Symbiosis
- 11. Habitat
- 12. Community
- 15. Biome
- 16. Consumer
- 17. Predation
- 18. Species
- 19. Decomposer
Down
- 1. Herbivore
- 2. Photosynthesis
- 3. Detritivore
- 4. Biotic
- 5. Abiotic
- 7. Organism
- 9. Omnivore
- 13. Ecosystem
- 14. Autotroph
- 20. Ecology