( ( ( ( ( Amphibians ( are ( found ( on ( ( every continent ) ( except Antarctica ) ) ) ) ) ) , ) and ) ( there ( are ( ( ( more ( than 3,000 ) ) species ) ( living today ) ) ) ) ) . )
(ROOT (S (S (NP (NNS Amphibians)) (VP (VBP are) (VP (VBN found) (PP (IN on) (NP (NP (DT every) (NN continent)) (PP (IN except) (NP (NNP Antarctica)))))))) (, ,) (CC and) (S (NP (EX there)) (VP (VBP are) (NP (NP (QP (JJR more) (IN than) (CD 3,000)) (NNS species)) (VP (VBG living) (NP (NN today)))))) (. .)))
Amphibians are found on every continent except Antarctica, and there are more than 3,000 species living today.
(ROOT (S (NP (NNP Antarctica)) (VP (VBZ is) (NP (NP (DT the) (JJ only) (NN continent)) (PP (IN without) (NP (NNS amphibians))))) (. .)))