( Amphibians ( ( ( ( ( ( hatch ( as ( aquatic larvae ) ) ) ( with gills ) ) and ) ( , ( ( in ( most species ) ) , ) ) ) ( then ( ( ( undergo metamorphosis ) ( into ( four-legged ( terrestrial adults ) ) ) ) ( with ( lungs ( for ( breathing air ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Amphibians)) (VP (VP (VB hatch) (PP (IN as) (NP (JJ aquatic) (NN larvae))) (PP (IN with) (NP (NNS gills)))) (CC and) (PRN (, ,) (PP (IN in) (NP (JJS most) (NNS species))) (, ,)) (VP (ADVP (RB then)) (VB undergo) (NP (NNS metamorphosis)) (PP (IN into) (NP (JJ four-legged) (JJ terrestrial) (NNS adults))) (PP (IN with) (NP (NP (NNS lungs)) (PP (IN for) (S (VP (VBG breathing) (NP (NN air))))))))) (. .)))
Amphibians hatch as aquatic larvae with gills and, in most species, then undergo metamorphosis into four-legged terrestrial adults with lungs for breathing air.
(ROOT (S (NP (NN Fish)) (VP (VBP hatch) (PP (IN into) (NP (NP (NN larvae)) (SBAR (WHNP (WDT that)) (S (VP (VBP are) (ADJP (JJ different) (PP (IN from) (NP (NP (DT the) (JJ adult) (NN form)) (PP (IN of) (NP (NNS species)))))))))))) (. .)))