( Slugs ( ( ( play ( ( an ( important role ) ) ( in ( the ecosystem ) ) ) ) ( by ( eating ( ( ( decaying ( plant material ) ) and ) ( ( ( fungi . ) ( -LSB- ( ( 13 ( -RSB- ( Most carnivorous ) ) ) ( ( slugs ( on occasion ) ) ( also ( eat dead ) ) ) ) ) ) ( of ( their ( own kind ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Slugs)) (VP (VBP play) (NP (NP (DT an) (JJ important) (NN role)) (PP (IN in) (NP (DT the) (NN ecosystem)))) (PP (IN by) (S (VP (VBG eating) (NP (NP (VBG decaying) (NN plant) (NN material)) (CC and) (NP (NP (NNP fungi) (. .)) (VP (VBG -LSB-) (NP (NP (CD 13) (CD -RSB-) (JJS Most) (NNS carnivorous)) (SBAR (S (NP (NP (NNS slugs)) (PP (IN on) (NP (NN occasion)))) (ADVP (RB also)) (VP (VB eat) (ADJP (JJ dead))))))) (PP (IN of) (NP (PRP$ their) (JJ own) (NN kind))))))))) (. .)))
Slugs play an important role in the ecosystem by eating decaying plant material and fungi . [13] Most carnivorous slugs on occasion also eat dead of their own kind.
(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)))) (. .)))