( ( 5.2 Energy ) ( ( ( flows ( through ( ecosystems ( in ( ( one direction ) ( from ( photosynthetic organisms ) ) ) ) ) ) ) ( to ( herbivores ( to ( ( carnivores and ) decomposers ) ) ) ) ) . ) )
(ROOT (S (NP (NNP 5.2) (NNP Energy)) (VP (VBZ flows) (PP (IN through) (NP (NP (NNS ecosystems)) (PP (IN in) (NP (NP (CD one) (NN direction)) (PP (IN from) (NP (JJ photosynthetic) (NNS organisms))))))) (PP (TO to) (NP (NP (NNS herbivores)) (PP (TO to) (NP (NNS carnivores) (CC and) (NNS decomposers)))))) (. .)))
5.2 Energy flows through ecosystems in one direction from photosynthetic organisms to herbivores to carnivores and decomposers.
(ROOT (S (NP (DT A) (PRN (-LRB- -LRB-) (NP (NN n)) (-RRB- -RRB-)) (NN carnivore)) (VP (VBZ is) (PP (IN at) (NP (NP (DT the) (NN top)) (PP (IN of) (NP (DT the) (NN energy) (NN pyramid)))))) (. .)))