( ( Through osmosis ) ( , ( water ( ( ( moves ( from ( areas ( of ( low ( salt concentration ) ) ) ) ) ) ( to ( areas ( of ( high ( salt concentration ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN Through) (NP (NNS osmosis))) (, ,) (NP (NN water)) (VP (VBZ moves) (PP (IN from) (NP (NP (NNS areas)) (PP (IN of) (NP (JJ low) (NN salt) (NN concentration))))) (PP (TO to) (NP (NP (NNS areas)) (PP (IN of) (NP (JJ high) (NN salt) (NN concentration)))))) (. .)))
Through osmosis, water moves from areas of low salt concentration to areas of high salt concentration.
(ROOT (S (NP (JJ Fresh) (NN water) (NNS biomes)) (VP (VBP are) (VP (VBN defined) (PP (IN by) (NP (JJ low) (NN salt) (NN concentration))))) (. .)))