( ( Uses ( fresh ( or ( salt water ) ) ) ) . )
(ROOT (S (VP (VB Uses) (NP (JJ fresh) (CC or) (NN salt) (NN water))) (. .)))
Uses fresh or salt water.
(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))))) (. .)))