Across
- 3. nutritional organic substances
- 5. relating to feeding and nutrition.
- 6. animal that naturally preys
- 9. activity or condition of competing.
- 10. an organism, especially a soil bacterium, fungus, or invertebrate animal lacking a backbone,
Down
- 1. involving interaction between two different organisms
- 2. something you eat
- 3. the prefix A means “NOT”)
- 4. relating to or exhibiting commensalism.
- 7. organisms and their environment
- 8. organism deriving its nutritional