( They ( ( are ( part ( of ( ( a group ) ( of ( organisms ( known ( as ( ( decomposers , ) ( which ( ( turn ( organic material ) ) ( into ( ( soil nutrients ) ( that ( are ( essential ( for ( plant growth ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP They)) (VP (VBP are) (NP (NP (NN part)) (PP (IN of) (NP (NP (DT a) (NN group)) (PP (IN of) (NP (NP (NNS organisms)) (VP (VBN known) (PP (IN as) (NP (NP (NNS decomposers)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBP turn) (NP (JJ organic) (NN material)) (PP (IN into) (NP (NP (NN soil) (NNS nutrients)) (SBAR (WHNP (WDT that)) (S (VP (VBP are) (ADJP (JJ essential) (PP (IN for) (NP (NN plant) (NN growth))))))))))))))))))))) (. .)))
They are part of a group of organisms known as decomposers, which turn organic material into soil nutrients that are essential for plant growth.
(ROOT (S (PP (IN In) (NP (DT a) (NN forest))) (, ,) (NP (NNS decomposers)) (VP (VBP help) (SBAR (S (NP (JJ other) (NNS organisms)) (VP (VBP survive) (SBAR (S (PP (IN because) (NP (PRP they))) (NP (PRP they)) (VP (VBD put) (NP (NNS nutrients)) (PP (IN into) (NP (DT the) (NN soil))) (SBAR (IN that) (S (NP (NNS plants)) (VP (VBP use) (S (VP (TO to) (VP (VB grow)))))))))))))) (. .)))
In a forest, decomposers help other organisms survive because they they put nutrients into the soil that plants use to grow.