12th Class Biology Environmental Issue And Environmental Pollution

  • question_answer 45)
      What do you understand by biomagnifications?

    Answer:

                      Biomagnifications refers to the increase in the concentration of the toxic Substances at successive trophic level is in the food chain. This happens because a toxic substance accumulated by an organism cannot be metabolized or excreted and when this organism is eaten up by another animal of higher trophic level, it is passed on to this and then to the next higher trophic level and so on.


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