Across
- 2. An area of wet and very soft muddy ground.
- 4. An area of very wet land, where lots of water accumulates with wild plants growing in it.
- 7. An individual, plant, animal or any other single-celled life form.
- 9. Relating to or found in the sea.
- 10. The process of being eroded by, water, wind or other natural causes.
- 11. Where the stream of a river meets an ocean.
- 12. A distinct ecosystem where the soil is flooded or oversaturated by water.
- 14. A small body of still water.
- 15. An area classified based on the species that live in that location.
- 18. A very narrow and tiny river.
- 19. The presence of harmful contaminants in the environment.
Down
- 1. A mound of living coral found under the sea.
- 3. The natural environment of a plant, animal or organism.
- 5. Microorganisms drifting or floating in the sea or fresh water.
- 6. A large body of water surrounded by land.
- 8. A large natural stream of water flowing into a sea, lake or other river.
- 9. A tree or shrub that grows in a swamp.
- 13. The amount of salt present in water.
- 16. An area that is waterlogged at all times and with its plant life dominated by grasses.
- 17. Of or near a coast.