Across
- 2. biological or living factors
- 4. breaks down organic matter
- 5. organisms that obtain energy from eating plants
- 6. all organisms that live in a particular area
- 8. one organism captures and feeds on another
- 9. 1 organism benefits the other is harmed
- 11. all ecosystems present on earth
- 15. eats plants and animal remains
- 17. eats plants and animals
- 18. both organisms benefit
- 19. all ecosystems with same climate
- 20. relies on other organisms for energy
Down
- 1. only eats other animals
- 3. 1 organism benefits the other isn't affected
- 7. similar organisms that interbreed
- 10. physical or nonliving factors
- 12. uses energy to create their food
- 13. group of pop. that live together
- 14. group of species that live in the same place at the same time
- 16. the study of interactions among organisms and their environment