Across
- 3. An organism that must consume other organisms for energy
- 5. A model showing how energy or matter changes between feeding levels
- 7. An organism that obtains energy by eating other organisms
- 8. An organism that breaks down dead organisms and wastes
- 9. A model showing connected feeding relationships in an ecosystem
Down
- 1. What moves through an ecosystem as organisms eat other organisms
- 2. An organism's feeding position in a food chain or food web
- 4. An organism that makes its own food
- 6. An organism that produces its own food