What do you mean by biological magnification? Explain with example

1.	What do you mean by biological magnification? Explain with example
Answer» \tThe non-biodegradable chemicals like pesticides and insecticides enter the food chains in land and aquatic ecosystems and then accumulate progressively at each trophic level. This is known as biological magnification.\xa0Example - Species like Shark, Swordfish, Orange Roughy, Tuna, King Mackerel, or Tilefish contain proportionally larger levels of toxic mercury than smaller fish and shellfish.

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