Across
- 2. one benefits, other unaffected
- 3. one organism eats another
- 4. eats others
- 6. maximum population environment supports
- 7. all ecosystems on earth
- 9. connected food chains
- 10. spacing of individuals
- 12. number of species present
- 14. both species benefit
- 15. species with major ecosystem impact
- 17. individual living thing
- 18. living and nonliving system
- 19. individuals per area
- 21. total living matter
- 22. breaks down dead matter
Down
- 1. long term climate shifts
- 5. makes own food
- 8. one benefits, other is harmed
- 11. organisms job/role in ecosystem
- 13. close species interaction
- 16. organisms home
- 20. study of ecosystems