Across
- 5. living factors in an environment
- 6. all of the living and nonliving things in an area at the same time
- 7. the study of interactions organisms and their environment
- 9. symbiotic relationship in which one benefits and the other is harmed
- 10. place where an organism lives
- 11. portion of earth that supports life
- 12. the role an organism plays in its environment
Down
- 1. symbiotic relationship in which both species benefit
- 2. close association between two or more organisms
- 3. nonliving factors in an environment
- 4. symbiotic relationships in which one species benefits and the other is neither harmed or helped
- 8. a group of organisms of the same species that lives in the same place at the same time