Across
- 2. place where organisms live.
- 4. chain.
- 8. area.
- 9. eat only plants .
- 11. living components of
- 12. eat plants and meat.
Down
- 1. naturally occurring in
- 3. .
- 5. that feed on dead material.
- 6. step in a food chain.
- 7. source of energy of plants .
- 10. components in ecosystem.
- 12. network of several interconnected
