( Mice ( ( ( occur ( in ( ( ( ( ( nearly ( every habitat ) ) and ) ( ( every continent ) ( but Antarctica ) ) ) , ) ( either ( ( naturally or ) ( through introduction ) ) ) ) ) ) ( by humans ) ) . ) )
(ROOT (S (NP (NNS Mice)) (VP (VBP occur) (PP (IN in) (NP (NP (NP (RB nearly) (DT every) (NN habitat)) (CC and) (NP (NP (DT every) (NN continent)) (PP (CC but) (NP (NNP Antarctica))))) (, ,) (UCP (DT either) (ADVP (RB naturally)) (CC or) (PP (IN through) (NP (NN introduction)))))) (PP (IN by) (NP (NNS humans)))) (. .)))
Mice occur in nearly every habitat and every continent but Antarctica, either naturally or through introduction by humans.
(ROOT (S (NP (NNS Bees)) (VP (VBP are) (VP (VBG naturalized) (PP (IN on) (NP (NP (DT every) (NN continent)) (PP (IN except) (NP (NN antarctica))))))) (. .)))