Across
- 3. A key energy source for photosynthesis in aquatic plants.
- 5. The process of wetlands cleaning water by trapping pollutants.
- 9. A bird that lives on the surface of ponds, lakes, or wetlands.
- 10. A community of living and nonliving things interacting in an environment.
- 15. The variety of life found in an ecosystem.
- 16. The flow or movement of water in a stream or river.
- 19. Simple aquatic plants found in freshwater ecosystems.
- 20. An area where water meets land, often home to diverse species.
Down
- 1. A bottom-dwelling creature in freshwater ecosystems.
- 2. A larger body of fast-moving water that flows into a lake or ocean.
- 4. A sequence showing how energy flows through an ecosystem.
- 6. A type of fish commonly found in fast-moving freshwater.
- 7. A large, still body of freshwater.
- 8. A gas dissolved in water that aquatic animals need to survive.
- 11. Plants that grow in slow-moving or still waters near the edges.
- 12. A small, lobster-like animal found at the bottom of rivers and ponds.
- 13. A small, fast-moving body of water.
- 14. An amphibian often found in wetlands or near ponds.
- 17. Water that is not salty, found in rivers, lakes, and ponds.
- 18. A small, still body of freshwater.