Across
- 4. the hunter in a relationship
- 5. how energy flows through the ecosystem
- 7. living
- 8. all of the living and non-living things in an enviorment
- 9. the relationships between two animals
Down
- 1. one passage of energy through an ecosystem
- 2. a relationship where both organisms benefit
- 3. the study of ecosystems
- 4. the victim in a relationship
- 6. nonliving