Experiment on tadpole

An experiment was done on tadpoles of frog in the zoology laboratory of regional of education mysore. Two different medium was taken in which the tadpoles were grown and observed their development. The medium which was taken are first one was water having different concentration of black henna and the other medium contained mixture of two different soil.The initial weight and size of the tadpole were recorded. Henna contain some harmones which promotes the growth of the tadpole which was researched by the experiment but the result got was negative.

even the result for the medium containg the mixture of soil was also negative. The tadpoles were feeded with their natural food but showed cannibalism, and the tadpoles died.