( ( Food ( chains ( and ( energy paths ) ) ) ) ; )
(ROOT (NP (NP (NN Food) (NNS chains) (CC and) (NN energy) (NNS paths)) (: ;)))
Food chains and energy paths;
(ROOT (S (NP (NP (NN Loss)) (PP (IN of) (NP (NN energy)))) (VP (VBZ is) (NP (DT the) (NN reason)) (SBAR (IN that) (S (NP (NN food) (NN chain)) (ADVP (RB typically)) (VP (VBZ has) (NP (JJ few) (NNS levels)))))) (. .)))