( Heterotrophs ( ( ( can not ) ( ( make ( their ( own food ) ) ) ( so ( they ( are ( dependent ( on ( ( the autotrophs ) ( for survival ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Heterotrophs)) (VP (MD can) (RB not) (VP (VB make) (NP (PRP$ their) (JJ own) (NN food)) (SBAR (IN so) (S (NP (PRP they)) (VP (VBP are) (ADJP (JJ dependent) (PP (IN on) (NP (NP (DT the) (NNS autotrophs)) (PP (IN for) (NP (NN survival))))))))))) (. .)))
Heterotrophs          cannot make their own food so they are dependent on the autotrophs for          survival.
(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)))))))))