( ( The producer ) ( also ( ( know ( as ( autotrophs ( produce ( their ( own food ) ) ) ) ) ) . ) ) )
(ROOT (S (NP (DT The) (NN producer)) (ADVP (RB also)) (VP (VBP know) (SBAR (IN as) (S (NP (NNS autotrophs)) (VP (VBP produce) (NP (PRP$ their) (JJ own) (NN food)))))) (. .)))
The producer also know as autotrophs produce their own food.
(ROOT (S (NP (NNS Autotrophs)) (VP (VBZ is) (NP (NP (DT another) (NN name)) (PP (IN for) (NP (NNS producers))))) (. .)))