yes :[
No unless human need to preserve a certain soon to be extinct flower and the butterfly drinks the nectar from it.
Actually butterflies can only bit you. But it does not hurt at all. Studies show that butterflies are harmless in so many ways!!!!!!!
There are some physiological similarities but much changes during metamorphosis. One group of legs usually remains as the legs of the butterfly and the eyes remain eyes.
Yes ! When caterpiller's start to grow it,will soon become a BUTTERFLY !