Across
- 2. The natural home or environment of an animal
- 5. small body of water surrounded by land
- 9. tidal mouth of a large river
- 10. fish and aquatic shelled mollusk
- 12. an area of low lying land thats flooded during the wet season
- 14. a large lake used to supply water
- 17. land consisting of marshes or swamps
- 20. cloudy, or thick with suspended matter
- 22. slightly salty water in estuaries
- 28. grass a grasslike plant that live in or close to the sea
- 29. water water with high concentrations of salt
- 30. Resources materials such as minerals, forrests, and water
- 32. a group of organisms living in the same place
- 33. a colorless, odorless reactive gas
- 34. bed the bottom of a stream
- 35. ecological region at the lowest level of a body of water
- 36. biology that deals with relations between organisms
Down
- 1. islands protect coast lines from severe storm damage
- 3. living things
- 4. quality how good or bad water is
- 6. to become incorporated into a solid
- 7. to accumulate water in a reservoir
- 8. oxygen low saturation of oxygen
- 11. matter living matter
- 13. bed the channel in which a river flows
- 15. water water with low concentrations of salt
- 16. a substance that provides nourishment
- 18. nonliving things
- 19. banks the land alongside a body of water
- 21. a barrier constructed to hold back water
- 23. zone a low oxygen enviorment
- 24. large body of water surrounded by land
- 25. an area of low lying, uncultivated ground
- 26. matter that settles to the bottom of a liquid
- 27. a broad inlet of the sea
- 31. a place where large quantities of water flow into aquifer
- 35. the variety of life in the world