sentences:  These flaps inertly open up like other geckos do when the gecko jumps from one branch to another and this imparts even a small advantage by extending the length of the jump.Because of their lack of limbs, snakes are a group of vertebrates in which the ability to glide might be viewed as less likely to develop.However, in Peninsular Malaysia, there are three closely related species of snakes with ability to glide for significant distances.