Across
- 3. to bogs but fed by groundwater
- 4. middle zone
- 12. differing conditions from upper to lower layers
- 13. shallow wetlands flooded regularly with seawater
- 14. fish farming
- 15. minute colonial animals, live with algae
- 16. aka wooded wetland, wetland with trees
- 18. wetlands without trees
- 21. land based
- 22. single cells organisms, like amoebae
- 23. whitening of coral due to expulsion of symbiotic algae
- 25. narrow islands that form parallel to coastlines
Down
- 1. depressions in shoreline that is flooded at high tide but cut off from ocean at low tide
- 2. path of water through our environment
- 5. temperature boundary
- 6. bay where a river empties into the sea
- 7. trees that grow in salt water
- 8. on top, has photosynthetic organisms
- 9. free-floating organisms that are producers in oceans
- 10. about 20m deep, photosynthesis occurs in this zone
- 11. shoreline
- 17. zones in vertical column of a body of water
- 19. bottom of a sea or lake
- 20. bottom zone
- 24. areas of saturated ground made of peat