Across
- 1. hen one species kills another for food
- 5. group of organisms of the same species occupying a particular space at the same time
- 7. habitat located below the tundra which is covered in coniferous forest
- 10. part of the oceanic zone habitat which ranges from the epipelagic sub-zone to about 1,000 meters deep
- 11. consume decayed plants and animals
- 12. any part of the earth suitable to support a species permanently or temporarily for migratory species
- 13. non-living factors
- 15. any living organism
- 16. individual members of a population
- 19. when two species benefit from ecological interaction
- 20. all the bodies of water on the earth
Down
- 2. subterranean layer of rock permeable to water
- 3. linear representation which shows the flow of energy from one organism to
- 4. plants found in an area
- 6. responsibly using and conserving resources in a way which supports long-term ecological balance
- 7. related to soil or dry land
- 8. Principles
- 9. wetland areas with clay soil where water will not seep into ground
- 14. when one species benefits while another is unaffected
- 17. gasses surrounding the earth from surface to space
- 18. animals found in an area