( ( Flows ( of ( ( Energy and ) Matter ) ) ) ( in ( Ecosystems A. ) ) )
(ROOT (NP (NP (NP (NNS Flows)) (PP (IN of) (NP (NNP Energy) (CC and) (NNP Matter)))) (PP (IN in) (NP (NNP Ecosystems) (NNP A.)))))
Flows of Energy and Matter in Ecosystems A.
(ROOT (S (PP (IN Unlike) (NP (NN energy))) (, ,) (NP (NN matter)) (VP (VBZ does) (RB n't) (VP (VB need) (S (VP (TO to) (VP (VB be) (VP (ADVP (RB constantly)) (VBN added) (PP (TO to) (NP (NNS ecosystems))))))) (SBAR (IN because) (S (NP (PRP it)) (VP (VBZ is) (VP (VBN recycled) (PP (IN through) (NP (NNS ecosystems))))))))) (. .)))