( ( At term ) ( ( this organ ) ( ( has ( reached ( ( the end ) ( of ( its ( life span ) ) ) ) ) ) . ) ) )
(ROOT (S (PP (IN At) (NP (NN term))) (NP (DT this) (NN organ)) (VP (VBZ has) (VP (VBN reached) (NP (NP (DT the) (NN end)) (PP (IN of) (NP (PRP$ its) (NN life) (NN span)))))) (. .)))
At term this organ has reached the end of its life span.
(ROOT (S (NP (NNP Life) (NN cycle)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (NP (DT the) (NN span)) (PP (IN in) (NP (NP (DT the) (NN life)) (PP (IN of) (NP (NP (DT an) (NN organism)) (PP (IN from) (NP (NP (CD one) (NN generation)) (PP (TO to) (NP (DT the) (JJ next))))))))))))) (. .)))