( Heterotrophs ( ( are ( living ( things ( that ( ( can not ) ( make ( their ( own food ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Heterotrophs)) (VP (VBP are) (VP (VBG living) (NP (NP (NNS things)) (SBAR (WHNP (WDT that)) (S (VP (MD can) (RB not) (VP (VB make) (NP (PRP$ their) (JJ own) (NN food))))))))) (. .)))
Heterotrophs are living things that cannot make their own food.
(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)))))))))