Across
- 1. area where an organism lives
- 3. close relationships between organism that live together
- 4. model that shows interconnections between organisms
- 5. organism that get energy from killing other things
- 6. all of the nonliving factors in an organism's environment
- 7. model that shows how energy transfers through organisms.
- 10. the living factors in an organism's environment
- 11. chemical substance used to support life.
Down
- 2. exchange of matter in a biosphere
- 8. organism that collects energy from sunlight
- 9. anything that takes up space and has mass
- 11. role or position an organism plays in its environment.