Across
- 2. levels hierarchical of the food web
- 5. a substance separate from solution
- 6. cause by living organisms
- 11. grows agricultural products
- 12. plant eating animal
- 14. an animal that only feeds on animal matter
- 15. ecological community
- 16. act of keeping busy
- 17. feeds on meat and vegetables
Down
- 1. single-celled photosynthetic bacteria
- 3. the movement of air in and out of the lungs
- 4. amount of living matter
- 5. synthesis of chemical compounds
- 7. an individual requiring complex compounds of nitrogen and carbon
- 8. a change from liquid to vapor
- 9. a chemical reaction involving union between molecules
- 10. carbon dioxide organism
- 13. community of organisms
- 18. the capability of being active