( ( Photosynthetic organisms ) ( ( are ( ( photoautotrophs , ) ( which ( means ( that ( they ( are ( able ( to ( ( ( synthesize food ) directly ) ( from ( ( carbon ( ( dioxide and ) water ) ) ( ( using energy ) ( from light ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Photosynthetic) (NNS organisms)) (VP (VBP are) (NP (NP (NNS photoautotrophs)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ means) (SBAR (IN that) (S (NP (PRP they)) (VP (VBP are) (ADJP (JJ able) (S (VP (TO to) (VP (VB synthesize) (NP (NN food)) (ADVP (RB directly)) (PP (IN from) (NP (NP (NN carbon) (NN dioxide) (CC and) (NN water)) (VP (VBG using) (NP (NN energy)) (PP (IN from) (NP (NN light)))))))))))))))))) (. .)))
Photosynthetic organisms are photoautotrophs , which means that they are able to synthesize food directly from carbon dioxide and water using energy from light.
(ROOT (S (NP (NNS Photoautotrophs)) (VP (VP (VB capture) (NP (JJ light) (NN energy))) (, ,) (CC and) (VP (VB use) (NP (NN carbon) (NN dioxide)) (PP (IN as) (NP (PRP$ their) (NN carbon) (NN source))))) (. .)))