( ( ( Biogeochemical cycles ) ( -LRB- ( ( ( ( bio ( ( ( meaning ( ` ( life ' ) ) ) , ) ( geo ( for ( ` ( earth ( ' ( and chemical ) ) ) ) ) ) ) ) ( for ( ( the changing ) ( of matter ) ) ) ) ( from ( ( one form ) ( to another ) ) ) ) -RRB- ) ) ) ( ( are ( ( natural processes ) ( that ( ( ( ( ( recycle elements ) ( in ( various ( chemical forms ) ) ) ) ( from ( the environment ) ) ) , ) ( ( ( ( ( to organisms ) , ) and ) ( then back ) ) ( to ( the environment ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (JJ Biogeochemical) (NNS cycles)) (PRN (-LRB- -LRB-) (VP (VBN bio) (NP (NP (NN meaning) (`` `) (NN life) ('' ')) (, ,) (NP (NP (NN geo)) (PP (IN for) (NP (`` `) (NN earth) ('' ') (CC and) (NN chemical))))) (PP (IN for) (NP (NP (DT the) (NN changing)) (PP (IN of) (NP (NN matter))))) (PP (IN from) (NP (NP (CD one) (NN form)) (PP (TO to) (NP (DT another)))))) (-RRB- -RRB-))) (VP (VBP are) (NP (NP (JJ natural) (NNS processes)) (SBAR (WHNP (WDT that)) (S (VP (VBD recycle) (NP (NNS elements)) (PP (IN in) (NP (JJ various) (NN chemical) (NNS forms))) (PP (IN from) (NP (DT the) (NN environment))) (, ,) (PP (PP (TO to) (NP (NNS organisms))) (, ,) (CC and) (ADVP (RB then) (RB back)) (PP (TO to) (NP (DT the) (NN environment))))))))) (. .)))
Biogeochemical cycles (bio meaning 'life', geo for 'earth' and chemical for the changing of matter from one form to another) are natural processes that recycle elements in various chemical forms from the environment, to organisms, and then back to the environment.
(ROOT (S (NP (NP (NNP Chemical) (NNS elements)) (CC and) (NP (NN water))) (VP (VBP are) (VP (VBN recycled) (PP (IN through) (NP (DT the) (JJ biogeochemical) (NN cycle))))) (. .)))