( ( ( Most primary ) production ) ( ( occurs ( through ( ( photosynthesis , ) ( whereby ( ( green plants ) ( convert ( ( ( ( ( ( solar energy ) , ) ( carbon dioxide ) ) , ) and ) ( water ( ( ( ( to glucose ) and ) eventually ) ( to ( plant tissue ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (ADJP (RBS Most) (JJ primary)) (NN production)) (VP (VBZ occurs) (PP (IN through) (NP (NP (NN photosynthesis)) (, ,) (SBAR (WHADVP (WRB whereby)) (S (NP (JJ green) (NNS plants)) (VP (VBP convert) (NP (NP (JJ solar) (NN energy)) (, ,) (NP (NN carbon) (NN dioxide)) (, ,) (CC and) (NP (NP (NN water)) (PP (PP (TO to) (NP (NN glucose))) (CC and) (ADVP (RB eventually)) (PP (TO to) (NP (NN plant) (NN tissue)))))))))))) (. .)))
Most primary production occurs through photosynthesis, whereby green plants convert solar energy, carbon dioxide, and water to glucose and eventually to plant tissue.
(ROOT (S (PP (IN During) (NP (NN photosynthesis))) (, ,) (NP (NP (NN energy)) (PP (IN from) (NP (DT the) (NN sun)))) (VP (VBZ is) (VP (VBN converted) (PP (TO to) (NP (NN glucose))) (PP (IN after) (S (VP (VBG entering) (NP (DT a) (NN plant))))))) (. .)))