( ( ( ( ( ( ( The skin ) ( of ( most amphibians ) ) ) ( is ( permeable ( to water ) ) ) ) , ) and ) ( ( the animals ) ( ( dessicate quickly ) ( in ( a ( dry environment ) ) ) ) ) ) . )
(ROOT (S (S (NP (NP (DT The) (NN skin)) (PP (IN of) (NP (JJS most) (NNS amphibians)))) (VP (VBZ is) (ADJP (JJ permeable) (PP (TO to) (NP (NN water)))))) (, ,) (CC and) (S (NP (DT the) (NNS animals)) (VP (VBP dessicate) (ADVP (RB quickly)) (PP (IN in) (NP (DT a) (JJ dry) (NN environment))))) (. .)))
The skin of most amphibians is permeable to water, and the animals dessicate quickly in a dry environment.
(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)))))))))))) (. .)))