Across
- 3. fish and animals that can swim freely
- 5. a producer
- 6. provide food from inorganic sources
- 9. organisms interacting with each other
- 10. break down tissue into vital nutrients
Down
- 1. tiny animal and plant like organisms
- 2. a consumer
- 4. use methane gas to make food in chemical relation
- 7. feed on producers
- 8. plants and animals that live on the ocean bottom.