Compléter VERTEBRATES AND INVERTEBRATES Version en ligne VERTEBRATES AND VERTEBRATES par MARIA JESÚS SS 1 invertebrates invertebrates mollusks mammals backbone two amphibions 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 .