( ( Modern reptiles ) ( ( are ( characterized ( by ( ( ( ( ( ( ( the presence ) ( of ( amniotic eggs ) ) ) , ) ( ( dry skin ) ( -LRB- ( ( covered ( with scales ) ) -RRB- ) ) ) ) , ) and ) ( thoracic breathing ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Modern) (NNS reptiles)) (VP (VBP are) (VP (VBN characterized) (PP (IN by) (NP (NP (NP (DT the) (NN presence)) (PP (IN of) (NP (JJ amniotic) (NNS eggs)))) (, ,) (NP (NP (JJ dry) (NN skin)) (PRN (-LRB- -LRB-) (VP (VBN covered) (PP (IN with) (NP (NNS scales)))) (-RRB- -RRB-))) (, ,) (CC and) (NP (JJ thoracic) (NN breathing)))))) (. .)))
Modern reptiles are characterized by the presence of amniotic eggs, dry skin (covered with scales), and thoracic breathing.
(ROOT (S (NP (NP (NNP Dry) (NN skin)) (CC and) (NP (NNS scales))) (VP (VBP are) (NP (NP (NN part)) (PP (IN of) (NP (NP (DT an) (NN animal)) (SBAR (WHNP (WDT that)) (S (VP (MD would) (ADVP (RBS most) (RB likely)) (VP (VB be) (VP (VBN classified) (PP (IN as) (NP (DT a) (NN reptile)))))))))))) (. .)))