allah created every animal from water. among them are some that creep upon their bellies and among them are some that walk on two feet and among them are some that walk on four. allah creates whatever he wishes. indeed allah has power over all things.
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