( ( ( ( ( Energy ( from ( the sun ) ) ) ( is ( captured ( by ( green plants ) ) ) ) ) and ) ( ( by photosynthesis ) ( it ( ( ( converts ( radiant energy ) ) ( from ( the sun ) ) ) ( into ( ( organic compounds ) ( such ( as glucose ) ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (NP (NNP Energy)) (PP (IN from) (NP (DT the) (NN sun)))) (VP (VBZ is) (VP (VBN captured) (PP (IN by) (NP (JJ green) (NNS plants)))))) (CC and) (S (PP (IN by) (NP (NN photosynthesis))) (NP (PRP it)) (VP (VBZ converts) (NP (JJ radiant) (NN energy)) (PP (IN from) (NP (DT the) (NN sun))) (PP (IN into) (NP (NP (JJ organic) (NNS compounds)) (PP (JJ such) (IN as) (NP (NN glucose))))))) (. .)))
Energy from the sun is captured by green plants and by photosynthesis it  converts radiant energy from the sun into organic compounds such as glucose.
(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))))))) (. .)))