Across
- 4. caused by elevated water temperatures
- 5. low, narrow, sandy islands that form parallel to the coastline
- 6. known for their biological productivity and diverse organisms
- 8. underground layer of water-bearing permeable rock
- 11. bottom open freshwater zone
- 13. water part of sea, divided into three different zones
- 14. shallow undersea area along the coast
- 16. bays of mixed salt and fresh water caused by rivers flowing into sea
- 19. zone exposed by tides
- 22. water animals sweat out
- 24. 2nd deepest zone in the ocean
- 25. decomposing material that provides energy for deep communities
- 27. wetlands without trees
- 28. deepest zone in the ocean
- 29. top open freshwater zone
- 31. water animals breath out
- 32. shallow wetlands that flood with seawater
- 33. cycle of water through the earth
- 35. variety of trees that grow in saltwater
Down
- 1. shallow ecosystems that flood with freshwater
- 2. top zone in the ocean, has photosynthetic organisms
- 3. used by microscopic deep-ocean thermal vent communities
- 7. lowest of higher zones in the ocean
- 9. freefloating photosynthetic plants that support the marine food web
- 10. depression in a rocky shoreline that contains life organisms and floods at high tide
- 12. dead organisms provide nutrients for deep-ocean ecosystems and surface communities
- 15. fed by groundwater
- 17. differing conditions from upper to lower layers
- 18. the bottom of the water body where the sand is
- 20. occur when excess nutrients cause bacteria growth that consumes most of the oxygen
- 21. shore is this zone
- 23. middle open freshwater zone, also called mesolimnion
- 26. wooded wetlands
- 27. middle of higher zone in the ocean
- 30. areas of saturated ground
- 34. undecayed vegetation in deep layers in bogs