Answer :

GeoPanther
The biggest advantage of the quick movement of the Venus Flytrap is that it can catch insects with much greater efficiency. The Venus Flytrap is a carnivorous plant that prays on insects so that it can satisfy it's needs for Nitrogen. It's snapping shut movement is so fast that a human eye can not detect it, and it serves for maximum efficiency in catching insects, especially the smaller ones that have big acceleration.