( ( Ecosystems Students ) ( ( ( explore ( ( ( ( ( ( ( ( ( producers , ) consumers ) , ) ( food chains ) ) , ) ( food pyramids ) ) , ) and ) ( energy ( in ( schoolyard games ) ) ) ) ) ( ( ( before and ) after ) ( the ( field trip ) ) ) ) . ) )
(ROOT (S (NP (JJ Ecosystems) (NNS Students)) (VP (VB explore) (NP (NP (NNS producers)) (, ,) (NP (NNS consumers)) (, ,) (NP (NN food) (NNS chains)) (, ,) (NP (NN food) (NNS pyramids)) (, ,) (CC and) (NP (NP (NN energy)) (PP (IN in) (NP (JJ schoolyard) (NNS games))))) (PP (IN before) (CC and) (IN after) (NP (DT the) (NN field) (NN trip)))) (. .)))
Ecosystems Students explore producers, consumers, food chains, food pyramids, and energy in schoolyard games before and after the field trip.
(ROOT (S (NP (NNP Food) (NNS chains)) (VP (VBP carry) (NP (NN energy)) (PP (IN from) (NP (NP (NNS producers)) (PP (TO to) (NP (NNS consumers)))))) (. .)))