Across
- 8. Movement of carbon through organisms and environment
- 9. Breaks down dead organisms and recycles nutrients
- 10. Relationship where one organism hunts another
- 13. Movement of water through environment
- 15. Position of an organism in a food chain
- 17. Process of releasing energy from food
- 19. Struggle between organisms for resources
- 20. Place where an organism lives
- 23. Close relationship between two different species
- 24. Variety of living organisms in an area
- 26. Interconnected food chains in an ecosystem
- 27. Protection and management of natural resources
- 28. Different populations living together
- 29. Role of an organism in its environment
- 30. Organism that eats other organisms
Down
- 1. Movement of nitrogen through organisms and environment
- 2. Feature that helps survival in an environment
- 3. Organism that makes its own food
- 4. Removal of trees from forests
- 5. Group of organisms of the same species in an area
- 6. Process where fertile land becomes desert
- 7. Natural change in communities over time
- 11. Study of organisms and their environment
- 12. Relationship where one benefits and the other is harmed
- 14. Relationship where both organisms benefit
- 16. Community of organisms plus their physical environment
- 18. Relationship where one benefits and the other is unaffected
- 21. Sequence showing who eats whom
- 22. Process plants use to make food
- 25. Introduction of harmful substances into the environment