Water Crossword

2. the top layer of a body of water.
5. an area or ridge of land that separates waters flowing to different rivers, basins, or seas.
7. organisms that live on or in the bottom of a body of water
8. water located beneath Earth's surface
11. a ridge of rock in the sea formed by the growth and deposit of coral.
12. the state or quality of a material or membrane that causes it to allow liquids or gases to pass through it.
14. safe to drink; drinkable.
15. the shore zone between high tide and low tide
18. a barrier constructed to hold back water and raise its level
19. a bacterium, virus, or other microorganism that can cause disease.
20. a body of permeable rock that can contain or transmit groundwater.

1. natural streams of water flowing in channels and emptying into larger bodies of water
2. an area of coastal grassland that is regularly flooded by seawater
3. excessive richness of nutrients in a lake or other body of water
4. ecological region at the lowest level of a body of water
6. marine and freshwater organisms that can swim freely
9. A lowland area, such as a marsh or swamp, that is saturated with moisture
10. The small or microscopic organisms that drift or swim weakly in a body of water
13. the tidal mouth of a large river, where the tide meets the stream.
16. artificial application of water to the land or soil
17. a large natural or artificial lake used as a source of water supply.
19. measure of how much of a rock is open space.