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3 July, 02:01

The use of ddt as a pesticide is an example of how new technology can have favorable and dangerous long term outcomes

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  1. 3 July, 02:24
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    DDT (Dichloro-diphenyl Trichloroethane) is a biocide. Biocides is the term that is broadly used to refer bactericides, fungicides, nematicides, insecticides, rodenticides and weedicides. A long term use of DDT can have favourable effect by resulting in complete eradication of the potential pests and invaders from an agricultural field. But the use of DDT for a long time has showed dangerous outcomes in the form of Biomagnification that resulted in tremendous decrease in bird population.

    Explanation:

    Biomagnification is defined as a gradual increase in concentration of a substance in successive trophic levels of a food chain.

    Biomagnification of DDT interfered with the egg-shell formation and the thin shelled eggs broke at a premature stage. Thus, the bird population decreased significantly.
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