( ( ( ( These ( mostly ( live ( in ( the soil ) ) ) ) ) and ) ( ( ( their role ) ( in ecosystems ) ) ( is ( to ( ( ( feed on ) detritus ) ( -LRB- ( ( waste ( ( material , ) ( including ( dead organisms ) ) ) ) -RRB- ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (DT These)) (ADVP (RB mostly)) (VP (VBP live) (PP (IN in) (NP (DT the) (NN soil))))) (CC and) (S (NP (NP (PRP$ their) (NN role)) (PP (IN in) (NP (NNS ecosystems)))) (VP (VBZ is) (S (VP (TO to) (VP (VB feed) (PRT (RP on)) (NP (NNS detritus)) (PRN (-LRB- -LRB-) (S (VP (VB waste) (NP (NP (NN material)) (, ,) (PP (VBG including) (NP (JJ dead) (NNS organisms)))))) (-RRB- -RRB-))))))) (. .)))
These mostly live in the soil and their role in ecosystems is to feed on detritus (waste material, including dead organisms).
(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)))) (. .)))