( ( Most ( of ( these fungi ) ) ) ( ( are ( ( ( free-living saprobes ) , ) ( existing ( in ( ( the environment ) ( in ( decaying ( vegetation ( , ( bird ( and ( animal ( excreta ( , ( ( humus and ) soil ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (JJS Most)) (PP (IN of) (NP (DT these) (NNS fungi)))) (VP (VBP are) (NP (NP (JJ free-living) (NNS saprobes)) (, ,) (NP (NP (VBG existing)) (PP (IN in) (NP (NP (DT the) (NN environment)) (PP (IN in) (NP (JJ decaying) (NN vegetation) (, ,) (NN bird) (CC and) (NN animal) (NN excreta) (, ,) (NNS humus) (CC and) (NN soil)))))))) (. .)))
Most of these fungi are free-living saprobes, existing in the environment in decaying vegetation, bird and animal excreta, humus and soil.
(ROOT (S (NP (NP (DT The) (JJ decayed) (NNS remains)) (PP (IN of) (NP (VBG living) (NNS organisms)))) (VP (VBZ is) (VP (VBN called) (NP (NNS humus)))) (. .)))