Across
- 2. gases surrounding the earth
- 4. a close living relationship between 2 organisms
- 6. final stage in the water cycle
- 7. a system of interlocking food chains
- 9. An educated guess based on what you think will happen
- 10. non native species that take over quickly
- 15. any living thing that affects another living thing in an ecosystem
- 19. second stage in the water cycle
- 22. first stage in the water cycle
- 23. an organism that is eaten
- 24. An organism that can make its own food
Down
- 1. all the inhabitants of an area in an ecosystem
- 3. An organism that only eats plants
- 5. An organism that breaks down and recycles matter
- 8. information gathered during an experiment
- 11. rapid growth
- 12. the process where plants take in carbon dioxide and water to make glucose
- 13. all the differences between organisms in an ecosystem
- 14. an organism that eats prey
- 16. any non living factor in an ecosystem
- 17. The process of using a resource wisely
- 18. the study of relationships between organisms
- 20. meat eater
- 21. any harmful thing emitted into the atmosphere
- 23. a relationship where one organism is harmed and another is benefited
