Across
- 1. growing fish and plants together in the same system
- 5. a system in which water constantly circulates/recycles through the system
- 7. the growth of plants strictly through water
- 8. holds water
- 9. chemical produced from fish excretion
- 10. a cycle in which fish provide nutrients for the plants, and the plants clean the water
Down
- 2. waste left from the organisms
- 3. illness spread throughout the systems
- 4. the process of growing of fish and plants simultaneously
- 6. a toxic chemical to fish produced by ammonia