Water Crossword

2. a colder, deeper layer that is not mixed
4. the path of water through our environment
7. low, narrow, sandy islands that form parallel to a coastline
9. areas of saturated ground
10. deepest zone in the ocean
13. depressions in a rocky shoreline that are flooded at high tide but retain some water at low tide
14. the colder water below the thermocline boundary
17. special variety of trees that grow in salt water
19. are known as littoral zones
21. community occurring on the bottom of the ocean
23. the bottom
24. bays where rivers empty into the sea
25. free floating photosynthetic plants

1. mainly fed by groundwater
3. discovered thousands of different types of organisms
5. the sharp temperature boundary
6. found below ocean crust, that heats the vents
8. wooded wetlands with trees
11. 1977 explorations with deep-sea submarine
12. shallow body of water that flows in one direction and rich in nutrients
15. shallow wetlands flooded regularly with seawater
16. deep layers of accumulated, undecayed vegetation
18. shallow ecosystems where land surface is saturated at least part of the year
20. has photosynthetic organisms
22. layer of open water zone with highest level of light and oxygen