( Bees ( ( are ( naturalized ( on ( ( every continent ) ( except Antarctica ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Bees)) (VP (VBP are) (VP (VBG naturalized) (PP (IN on) (NP (NP (DT every) (NN continent)) (PP (IN except) (NP (NNP Antarctica))))))) (. .)))
Bees are naturalized on every continent  except Antarctica.
(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))))))) (. .)))