( ( The ( carbon cycle ) ) ( ( ( represents ( ( the ( ( circulation and ) recycling ) ) ( of ( ( the ( chemical ( element carbon ) ) ) ( in nature ) ) ) ) ) ( as ( ( a result ) ( of ( ( the effect ) ( of ( living organisms ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN carbon) (NN cycle)) (VP (VBZ represents) (NP (NP (DT the) (NN circulation) (CC and) (NN recycling)) (PP (IN of) (NP (NP (DT the) (JJ chemical) (NN element) (NN carbon)) (PP (IN in) (NP (NN nature)))))) (PP (IN as) (NP (NP (DT a) (NN result)) (PP (IN of) (NP (NP (DT the) (NN effect)) (PP (IN of) (NP (VBG living) (NNS organisms)))))))) (. .)))
The carbon cycle represents the circulation and recycling of the chemical element carbon in nature as a result of the effect of living organisms.
(ROOT (S (NP (NNP Carbon)) (VP (VBZ is) (NP (NP (DT the) (ADJP (RBS most) (VBN found)) (NN element)) (PP (IN in) (NP (VBG living) (NNS organisms))))) (. .)))