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11th January, 2017: Daily Summary and Analysis of The Hindu
Bio accumulation means accumulation of certain chemicals , generally called POPs, in the living organisms.These POPs accumulate in living bodies because they are more soluble in fats and Lipids as compared to water. Hence their rate of intake is greater than their excretion rate Bio concentration refers to accumulation of POPs in living org through aqueous soln mode that is through water. Bio magnification is the process of increase of POPs as we move up the Trophic level. like the concentration of a chemical will be greater in tertiary consumers than in secondary than in primary consumers. Both bio accumulation and bio concentration occur at same trophic level but bio magnification occurs across different trophic levels Note- POP stands for Persistent organic Pollutant.