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