Across
- 2. where an organism lives
- 3. how many of one species in an environment at one time
- 5. the route that matter and energy is transferred
- 7. one species benefits and one species is not harmed
- 10. something that makes its food through sunlight
- 13. nonliving part of the environment
- 17. organisms unable to make their own food
- 18. role of an organism in its environment
Down
- 1. relation ship were both organisms benefit
- 3. one species is benefitted one is harmed
- 4. different populations interacting in the same area a the same time
- 6. link represented by each organism in a food chain
- 8. total weight of living organisms at the trophic level
- 9. study of organisms and their environments
- 11. living part of the earths environments
- 12. populations in a community
- 14. shows the possible feeding relationship in a community
- 15. permanent association between two or more organisms
- 16. organisms that breach down and absorb dead organic matter