Across
- 3. both organisms benefit from relationship
- 5. eats plants
- 6. the source of energy in ecosystems
- 8. eats other organisms
- 9. non-living factor in an ecosystem
- 11. a characteristic of living things
- 13. one organism benefits, the other no effect
- 15. makes its own energy
- 16. means "living together"
Down
- 1. the "home address" of an organism
- 2. one organism benefits, the other is harmed
- 4. any living thing
- 7. eats other animals
- 10. living factor in an ecosystem
- 12. eats other animals
- 14. is eaten by other animals