Watersheds

5. the place where an organism lives and that provides the things it needs to live or survive
8. water soaking into the ground and collecting to form groundwater
10. the process by which water, ice, wind, or gravity moves fragments of rock and soil
12. made up of living community and the nonliving factors that affect it
15. living organisms in an environment
16. water that has fallen from the sky gathers to form a body of water

1. any form of water, such as rain, snow, sleet or hail that falls to the Earth's surface
2. the draining away of water from the surface of land
3. the degree of purity of water, determined by measuring the substances in water, besides water molecules
4. water found underground in the cracks, pores and spaces in soil, sand and rocks
6. nonliving factors in an environment
7. the land area that supplies water to a river system
9. a small stream that flows into a larger stream
11. a coastal inlet or bay where freshwater mixes with salty ocean water
13. small, solid particles of material from rocks or organisms which are moved by water or wind, resulting in erosion
14. an area of land that is covered with a shallow layer of water during some or all of the year