Streams & Rivers Crossword Puzzle

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Across
  1. 2. Grazers feed on _____.
  2. 5. Productivity _______ as you go downstream.
  3. 10. The word ____ can be used to describe all natural flowing waters.
  4. 11. Pollution _____ species are also known as indicator species.
  5. 12. Streams and river contain flowing ____.
  6. 13. Texas ranks ____ in the US for biodiversity in its rivers and streams.
  7. 14. The word "river" usually refers to a ____ stream.
  8. 16. Grande The _____ is the second longest river in the US.
Down
  1. 1. Black fly larvae and bloodworms are examples of pollution _____ species.
  2. 3. Texas has 15 major river ____.
  3. 4. All healthy Texas streams and rivers support _____ ecosystems.
  4. 6. Texas is home to more than 250 species of ____, including about 25 non-native species.
  5. 7. Biologists look for benthic macroinvertebrates that live on the stream ____.
  6. 8. Another name for aquatic insects such as stonefly nymphs.
  7. 9. If you lines up all the streams in rivers in ____ end to end, they would flow over 191,000 miles distance
  8. 10. A ____ is an example of a grazer.
  9. 15. Presence of indicator species generally indicate _____ quality water.