As tadpoles mature, the tail is absorbed,lungs develop,the gills disappear,legs appear,and the adult frog form is established.
(tadpoles; mature; ) (the adult frog form; is established; ) (the tail; is absorbed; ) (lungs; develop; ) (the gills; disappear; ) (legs; appear; )
tadpoles the adult frog form the tail lungs the gills legs
mature is established is absorbed develop disappear appear