Across
- 3. shallow ecosystems land is submerged at least part of the year
- 4. saturated ground
- 5. expel their algal partner then die
- 7. photosynthetic plants
- 8. shower of organic detritus falling
- 11. boundary where water is much colder
- 12. remove moisture from/ completely dry
- 16. plants use sunlight and turn it into energy
- 18. sandy islands that form parallel to a coastline
- 19. lowest level of a body of water
- 20. plenty of
- 21. Sharp temperature boundary in a body of water
- 22. depressions in a rocky shoreline
Down
- 1. special variety of trees
- 2. fissure on the seafloor
- 6. path of water through environment
- 9. so small only visible with microscope
- 10. wetlands without trees
- 13. worn away by natural agents
- 14. underwater ecosystem with corals
- 15. freshwater meets salt water
- 16. open sea
- 17. shallow wetlands