( ( ( ( ( Most amphibians ) ( are ( found ( in ( damp environments ) ) ) ) ) and ) ( they ( occur ( on ( ( all continents ) ( except Antarctica ) ) ) ) ) ) . )
(ROOT (S (S (NP (JJS Most) (NNS amphibians)) (VP (VBP are) (VP (VBN found) (PP (IN in) (NP (JJ damp) (NNS environments)))))) (CC and) (S (NP (PRP they)) (VP (VBP occur) (PP (IN on) (NP (NP (DT all) (NN continents)) (PP (IN except) (NP (NNP Antarctica))))))) (. .)))
Most amphibians are found in damp environments and they occur on all continents except Antarctica.
(ROOT (S (NP (NNP Antarctica)) (VP (VBZ is) (NP (NP (DT the) (JJ only) (NN continent)) (PP (IN without) (NP (NNS amphibians))))) (. .)))