allah has created every creature from water. and of them are those that move on their bellies and of them are those that walk on two legs and of them are those that walk on four. allah creates what he wills. indeed allah is over all things competent.
والله خلق كل دابة من ماء فمنهم من يمشي على بطنه ومنهم من يمشي على رجلين ومنهم من يمشي على أربع يخلق الله ما يشاء إن الله على كل شيء قدير