Across
- 2. close relationship between two different species
- 6. non living
- 9. organism that breaks down dead plants and animals
- 13. number of people in a given area
- 14. organism that eats only plants
- 15. role of an organism within its environment
- 16. relationship in which one species benefits and the other is unaffected
- 18. tireless area with long cold winters and cool summers
- 20. the environment in which we live
- 22. study of the interaction of the environment in which they live
Down
- 1. area of earth containing life
- 3. plants in an ecosystem
- 4. organism which obtain energy eating other organisms
- 5. living
- 7. relationship in which both species benefit
- 8. 2 species compete for scare resources
- 10. organism that eats dead plants or animals
- 11. organism which produces its own food
- 12. chemical reaction in which water & carbon D are changed using sunlight
- 16. population living together in a given area
- 17. animals in an ecosystem
- 19. cycle process through which water is recycycled
- 21. chain diagram showing the interconnection of the food chain in a ecosystem