Across
- 3. Fish have a preferred zone to live in based on this
- 6. Gets into water and comes from a known place
- 7. Can clog the gills of fish and kill them
- 8. The land area that drains into a stream or other body of water
- 9. type of macroinvertebrate
- 11. all natural flowing water
- 12. The measure of how much sediment/dirt is in the water
Down
- 1. Gets into water and comes from an unknown place
- 2. Too many nutrients in the water causing an over growth of algae
- 4. Small organisms that can be seen without a magnifying glass
- 5. Non-living components of an ecosystem
- 10. Living components of an ecosystem
