( Also ( , ( ( unlike ( ( most bony ) fishes ) ) ( , ( sharks ( ( ( do not ) ( have ( ( ( wel-developed ribs ) or ) ( a ( swim bladder ) ) ) ) ) . ) ) ) ) ) )
(ROOT (S (ADVP (RB Also)) (, ,) (PP (IN unlike) (NP (ADJP (RBS most) (JJ bony)) (NNS fishes))) (, ,) (NP (NNS sharks)) (VP (VBP do) (RB not) (VP (VB have) (NP (NP (JJ wel-developed) (NNS ribs)) (CC or) (NP (DT a) (JJ swim) (NN bladder))))) (. .)))
Also, unlike most bony fishes, sharks do not have wel-developed ribs or a swim bladder.
(ROOT (S (NP (JJS Most) (NN turtle) (NNS bodies)) (VP (VBP are) (VP (VBN covered) (PP (IN by) (NP (NP (DT a) (JJ special) (NN bony) (CC or) (NNS cartilaginous) (NN shell)) (VP (VBN developed) (PP (IN from) (NP (PRP$ their) (NNS ribs)))))))) (. .)))