Across
- 2. amount of matter in an object
- 6. biological community of interacting organisms
- 9. organisms that break down remains of dead organisms
- 11. system of interlocking and interdependent food chains
- 13. the position an organism occupies in a food chain
- 15. organism that feeds on plants and animals
Down
- 1. mass of living material at a stage in a food chain
- 3. animals that feed on dead organisms
- 4. organism that feeds on plants
- 5. organisms that feeds on plants or other animals
- 7. anything that occupies space and has mass
- 8. make their own food using energy
- 10. eat, drink, or ingest food or drink
- 12. an organism's role within an ecosystem
- 14. organisms that feed on animal tissue