Fig 1.

Comparison of the effect of oral morphine on the number of D.Melanogaster in larvae, pupae and adult stages in the experimental and control groups. The number of larvae in the treated-groups with 0.2 and 0.02 mg/ml doses of morphine had increased, whereas significant decrement was observed in number of the treated pupae with 0.2 and 0.002 mg/ml doses of drug. ^*p<0.05%, ^**p<0.01%, ^***p<0.001%.