Across
- 4. all the living & non-living parts of an environment
- 6. all organisms living in a certain area
- 7. organism that makes its own food
- 9. thin zone of the earth that supports all life
- 10. all members of one species that live in the same area
- 12. place where an organism lives
- 13. not dead
Down
- 1. study of the relationship between living things and their environment
- 2. organism that gets food by eating other organisms
- 3. model of the flow of energy through an ecosystem
- 5. organism that feeds on dead organisms
- 8. combining and overlapping of many food chains
- 11. an organism's role in it's environment
