Across
- 1. A community of organisms in an area
- 4. Something that eats only plants
- 7. The cycle in which water travels throughout the atmosphere oceans and land
- 9. A non-living factor
- 10. A mixture of saltwater and freshwater
- 11. Something that eats or preys upon meat/flesh
Down
- 2. The level of an organism in a food web
- 3. Someone or something that preys on others
- 5. The transition zone between rivers and seas
- 6. The quality and cloudiness of a liquid
- 8. An identifiable source of a pollutant
