( ( ( ( ( Animals ( are ( organisms ( that ( ( can not ) ( ( synthesize ( their ( own food ) ) ) ( from ( the sun ) ) ) ) ) ) ) ) , ) therefore ) ( we ( call ( them ( ( ( heterotrophs , ) or ) consumers ) ) ) ) ) . )
(ROOT (S (S (NP (NNS Animals)) (VP (VBP are) (NP (NP (NNS organisms)) (SBAR (WHNP (WDT that)) (S (VP (MD can) (RB not) (VP (VB synthesize) (NP (PRP$ their) (JJ own) (NN food)) (PP (IN from) (NP (DT the) (NN sun)))))))))) (, ,) (ADVP (RB therefore)) (S (NP (PRP we)) (VP (VBP call) (S (NP (PRP them)) (NP (NP (NNS heterotrophs)) (, ,) (CC or) (NP (NNS consumers)))))) (. .)))
Animals are organisms that cannot synthesize their own food from the sun, therefore we call them heterotrophs, or consumers .
(ROOT (S (NP (NNS Animals)) (VP (MD can) (RB not) (VP (VB produce) (NP (PRP$ their) (JJ own) (NN food)) (S (VP (VBG making) (S (NP (PRP them)) (ADJP (JJ heterotrophs)))))))))