Completar Frases VERTEBRATES AND INVERTEBRATES Versión en línea VERTEBRATES AND VERTEBRATES por MARIA JESÚS SS 1 mammals invertebrates amphibions invertebrates mollusks two backbone The animal kingdom is divided into groups : vertebrates and . Vertebrates have a and do not . The vertebrates animal are classified into a , reptiles , , birds and fish . The invertebrates animal are classidied into a arthropos and .