Toxin example sentences

Most of the organic toxins are water insoluble and nonbiodegradable.Therefore, as insect resistance of DDT increased, other organic toxins such as Aldrin and Dieldrin were introduced in the market by pesticide industry.Over the time, the concentration of toxins in higher animals reach a level which causes serious metabolic and physiological disorders.These high persistent toxins are, therefore, transferred from lower trophic level to higher trophic level through food chain (Figureure1 3).In response to high persistence of chlorinated organic toxins, a new series of less persistent or more bio-degradable products called organo-phosphates and carbamates have been introduced in the market.But these chemicals are severe nerve toxins and hence more harmful to humans.