Across
- 5. any organism that lives in water
- 7. natural environment in which an organism lives
- 9. a green pigment found in plants and algae
- 12. many interconnected food chains
- 13. animal that lives on eating other animals
- 14. loose material that results from natural breakdown of plants or animals
- 15. series of plants or animals linked by their feeding relationships
Down
- 1. organism that breaks down dead plant or animal material
- 2. matter material that comes from plants or animals either dead or alive
- 3. the function or role of a species within an ecosystem
- 4. newly hatched form of many organisms
- 6. water and all things that live around the water
- 8. newly hatched fish
- 10. animal eaten by a predator
- 11. a behavior or physical trait that helps an organism survive