Across
- 3. a disctinctive temperature transition zone in water also known as the mesolimnion
- 5. areas of saturated ground
- 8. zones in the vertical water column of a water body
- 11. warmer upper layer of a lake that is mixed by wind and warmed by the sun
- 12. drier areas around wetlands
- 16. when corals expel their algal partner and then die
- 18. shallow ecosystems in which the land surface is saturated or submerged at least part of the year
- 19. wetlands without trees
- 20. shallow pools of seawater that form on the rocky intertidal shore
- 21. jets of hot water and minerals on the ocean floor
- 22. Differing conditions from upper to lower layers of the ocean
- 24. special variety of trees that grow in salt water
- 25. this much of all endangered species spend at least part of their lives in wetlands
Down
- 1. Autotrophic organisms that act as producers in aquatic ecosystems
- 2. What percent of the earth's surface is water?
- 4. colder, deeper layer of a lake that is not mixed
- 6. Also known as the water cycle
- 7. low, narrow sandy islands that form parallel to a coastline
- 9. The type of community at the bottom of a sea or lake
- 10. a bay or drowned valley where a river empties into the sea
- 13. single-celled organisms such as amoebae
- 14. shallow wetlands along coastlines that are flooded regularly or occassionally with sea water
- 15. name of the bottom of a lake
- 17. wooded wetlands
- 23. not using oxygen
