Across
- 2. Each hierarchial level in an ecosystem
- 5. Harbors another organism
- 6. Living as a parasite
- 9. An individual life form
- 12. Feeds on nonliving material
- 14. Eats meat and plants
- 18. Can't produce its own food
- 19. Breaks down organic material
- 22. Hunts
- 23. Gets its nutritional requirements from complex organic substances
- 24. Eats plants
Down
- 1. Connection between organisms and their food sources
- 3. A group of different populations
- 4. A group of organisms
- 6. Organisms that create their own food
- 7. Eats meat
- 8. Regions of the surface, atmosphere, and hydrosphere of the Earth
- 10. The study of interactions between organisms and their environment
- 11. Nonliving
- 13. A community of interacting organisms with their physical environment
- 15. Living
- 16. Overlapping food chains
- 17. Gets hunted
- 20. Natural home or environment of an animal, plant, or other organism
- 21. Forms nutritional organic substances