Across
- 4. an animal that lives on other animals
- 7. a close relationship between two species that live together
- 9. to use again
- 10. nonliving factors
Down
- 1. an animal that breaks down decaying matter
- 2. area where organisms live
- 3. a popular color or earth day
- 5. to use less
- 6. poisonous, capable of causing serious harm or death
- 8. living factors