Across
- 5. place where an organism lives
- 7. community last community in a succession
- 9. organism that breaks down the wastes or remains of other organisms
- 10. pyramid way of showing how energy moves through a food chain
- 13. organism that makes its own food
- 14. organism's role, or job, in its habitat
- 15. something that happens over and over in the same way
- 16. the study of living things and their environments
- 19. everything that surrounds a living thing
Down
- 1. animal that eats only dead organisms
- 2. living and nonliving things in an environment, together with their interactions
- 3. bacteria bacteria that can use nitrogen in soil to make nitrogen compounds
- 4. area where a type of animal or plant population is found
- 6. all populations that live in a certain place
- 8. organisms that obtain food by eating other organisms
- 11. web way of showing how food chains are related
- 12. group of the same kind of organism living in a certain place
- 15. capacity largest amount of a population that can be supported by an area
- 17. factors conditions in the environment that put limits on where an organism can live
- 18. to act upon eachother