| Biological Magnification | Eutrophication |
| (a) It is increasing concentration of a persistent pollutant With the rise in trophic level. | Occurs only in aquatic ecosystem |
| (b) It occurs both in terrestial and aquatic ecosystem | Occurs only in aquatic ecosystem |
| (c) There is no excessive growth | There is excessive growth of algae |
| (d) Organic loading is absent | | Organic loading occurs in water body. |
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| (e) The higher order consumers are harmed most. | | Organic loading occurs in water body. |
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