Which of the following is NOT a bioindicator | vedclass

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(D) Bioindicators are organisms whose presence,absence,or abundance provides information about the quality of the environment. $1$. Sewage fungus ($Sp

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Stoneflies

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(D) Bioindicators are organisms whose presence,absence,or abundance provides information about the quality of the environment. $1$. Sewage fungus ($Sphaerotilus$ $natans$),sludge worms ($Tubifex$ $tubifex$),and blood worms ($Chironomus$ larvae) are classic bioindicators of organic water pollution,as they thrive in polluted,low-oxygen environments. $2$. Stoneflies (order $Plecoptera$) are highly sensitive to water pollution and low dissolved oxygen levels. They are typically found in clean,well-oxygenated,fast-flowing water. $3$. Therefore,while stoneflies are indicators of water quality,they are indicators of clean water,not pollution. In the context of identifying indicators of pollution,stoneflies are the correct choice as they are absent in polluted waters.

Which of the following is $NOT$ a bioindicator of water pollution?

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