"Ecotoxicology, an offshoot of toxicology, is a multidisciplinary science that integrates toxicology and ecology by drawing knowledge and procedures from both the fields. It analyses the effect of toxic chemicals or biological agents on living organisms at different levels of organization. Ecotoxicology classifies different contaminants, their characteristics, release and ecological fate, and predicts their effect so that timely action could be taken to prevent or minimize the detrimental effect"--