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Question : The data collected from a water body locatednearan industryis displayed in the figure . Analyse the data. a. Explain theobserveddifferences in thelevelsof mercurybetweenprimary and secondaryconsumers. b.Mention the health problem associated with theconsumptionof fishcapturedfromd this water body. |
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Answer» Solution :a. Primary consumers OBTAIN theirfoodi directlyfrom the producers and they gt 46 ppm mercury level in their BODY . Thesecondary consume the primary consumers as THEIRFOOD,they get high level of merury ,i.e.,169 ppmlevel intheir body. A re-markabledifference of mercurylevel , i.e.,123 ppm is observedin thesecondary consumer.s body . B. Supposethat man is thetertiaryconsumer here . Whenhe eatsthe secondaryor primaryconsumers ,he will be AFFECTED by minamata disease ( Mercury poisoning). |
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