Across
- 3. organisms that eat, breathe, grow
- 4. obtain nutrients from dead organisms
- 7. includes all life on earth
- 10. make their own food
- 11. things that do not eat, breathe, grow
- 12. a single organism
- 14. community of organisms in their environment
- 15. another name for nonliving things
Down
- 1. cannot make own food, feed on other organisms
- 2. collection of ecosystems
- 5. study of the environment
- 6. where an organism lives
- 8. group of similar organisms
- 9. another name for living things
- 10. similar organisms that live in the same area
- 13. two or more populations in the same area
