( Fungi ( ( have ( ( an ( important role ) ) ( in ( ( ( the ecosystem ) ( where ( they ( ( ( break down ) and ) ( decompose ( dead ( ( plants and ) animals ) ) ) ) ) ) ) ( -LRB- ( SAPROPHYTES -RRB- ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Fungi)) (VP (VBP have) (NP (NP (DT an) (JJ important) (NN role)) (PP (IN in) (NP (NP (DT the) (NN ecosystem)) (SBAR (WHADVP (WRB where)) (S (NP (PRP they)) (VP (VP (VB break) (PRT (RP down))) (CC and) (VP (VB decompose) (NP (JJ dead) (NNS plants) (CC and) (NNS animals)))))) (PRN (-LRB- -LRB-) (NP (NNP SAPROPHYTES)) (-RRB- -RRB-)))))) (. .)))
Fungi have an important role in the ecosystem where they break down and decompose dead plants and animals(SAPROPHYTES).
(ROOT (S (NP (NP (DT A) (NN role)) (PP (IN of) (NP (NP (NNS mushrooms)) (PP (IN in) (NP (NNS ecosystems)))))) (VP (VBZ is) (VP (VBG breaking) (PRT (RP down)) (NP (JJ dead) (NN plant) (NN material)))) (. .)))