Across
- 3. the animal or plants that are at the bottom of the food chain
- 5. something that never has and never will live
- 6. only eats meat
- 9. a system of interlocking food chains
- 10. many different types of things
- 12. only eats dead things
Down
- 1. levels in an ecosystem
- 2. eats plants and meat
- 4. only eats plants
- 6. animals that eat other animals or plants for energy
- 7. a visual representation of how energy transfers through animals and plants
- 8. the way organisms live together
- 11. something living or that was once living