Review Questions for "Interpreting Dissolved Oxygen Test Results"

Try answering the following review questions. If you have trouble, all the answers can be found by re-reading the previous section.

  1. What two abiotic factors can affect the comparison of dissolved oxygen (DO) results?

  2. What is the possible range of DO values?

  3. What is the minimum DO concentration necessary to support aquatic life?

  4. What is the DO concentration preferred by warm-water fish like pike?

  5. What is the DO concentration preferred by cold-water fish like trout?



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