( ( ( ( genetic or ) ( organic evolution ) ) -RRB- ) ( ( is ( ( the change ) ( in ( ( the ( inherited traits ) ) ( of ( ( a population ) ( of ( organisms ( through ( successive generations ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (JJ genetic)) (CC or) (NP (JJ organic) (NN evolution)) (-RRB- -RRB-)) (VP (VBZ is) (NP (NP (DT the) (NN change)) (PP (IN in) (NP (NP (DT the) (VBN inherited) (NNS traits)) (PP (IN of) (NP (NP (DT a) (NN population)) (PP (IN of) (NP (NP (NNS organisms)) (PP (IN through) (NP (JJ successive) (NNS generations))))))))))) (. .)))
genetic or organic evolution) is the change in the inherited traits of a population of organisms through successive generations.
(ROOT (S (NP (NNP Evolution)) (VP (VBZ occurs) (SBAR (WHADVP (WRB when)) (S (NP (NNS organisms)) (VP (VB acquire) (CC and) (VB pass) (PP (IN on) (NP (JJ new) (NNS traits))) (PP (IN from) (NP (NP (CD one) (NN generation)) (PP (TO to) (NP (DT the) (JJ next) (NN generation))))))))) (. .)))