( ( Matter ( needed ( to ( ( sustain life ) ( in ecosystems ) ) ) ) ) ( ( ( is continually ) ( recycled ( ( -LRB- ( ( ( ( ( ( ( ( ( e.g. , ) ( carbon cycle ) ) , ) ( water cycle ) ) , ) ( nitrogen cycle ) ) , ) ( mineral cycles ) ) -RRB- ) ) ( ( ( among organisms ) and ) ( between ( ( organisms and ) ( the environment ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Matter)) (VP (VBN needed) (S (VP (TO to) (VP (VB sustain) (NP (NN life)) (PP (IN in) (NP (NNS ecosystems)))))))) (VP (VBZ is) (ADVP (RB continually)) (VP (VBN recycled) (S (VP (PRN (-LRB- -LRB-) (NP (NP (NNP e.g.)) (, ,) (NP (NN carbon) (NN cycle)) (, ,) (NP (NN water) (NN cycle)) (, ,) (NP (NN nitrogen) (NN cycle)) (, ,) (NP (NN mineral) (NNS cycles))) (-RRB- -RRB-)) (PP (PP (IN among) (NP (NNS organisms))) (CC and) (PP (IN between) (NP (NP (NNS organisms)) (CC and) (NP (DT the) (NN environment))))))))) (. .)))
Matter needed to sustain life in ecosystems is continually recycled (e.g., carbon cycle, water cycle, nitrogen cycle, mineral cycles) among organisms and between organisms and the environment.
(ROOT (S (NP (PRP We)) (VP (VBP call) (NP (NP (DT the) (NN recycling)) (PP (IN of) (NP (NP (JJ inorganic) (NN matter)) (PP (IN between) (NP (NP (VBG living) (NNS organisms)) (CC and) (NP (PRP$ their) (NN environment) (NN biogeochemical) (NN cycle)))))))) (. .)))