Biology, asked by gomesajay5661, 1 year ago

aquatic insects bioindicators of water pollution ppt

Answers

Answered by Anonymous
0
Water Quality and Bioindicators ... Optimal range 6.5 to 8.5 for a diverse aquatic life; Sudden changes in pH ... Measured in ppt = 0 /oo ... 4.0-4.5 All fish, most frogs, insects absent.
Answered by Anonymous
0
All fish most frogs etc. are absent
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