Each individual's survival curve, or the probability of surviving beyond a given age, should shift as a result of an environmental quality improvement.
( ( ( ( ( ( ( Each ( individual 's ) ) ( survival curve ) ) , ) or ) ( ( the probability ) ( of ( surviving ( beyond ( a ( given age ) ) ) ) ) ) ) , ) ( ( should ( shift ( as ( ( a result ) ( of ( an ( environmental ( quality improvement ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NP (DT Each) (NN individual) (POS 's)) (NN survival) (NN curve)) (, ,) (CC or) (NP (NP (DT the) (NN probability)) (PP (IN of) (S (VP (VBG surviving) (PP (IN beyond) (NP (DT a) (VBN given) (NN age))))))) (, ,)) (VP (MD should) (VP (VB shift) (PP (IN as) (NP (NP (DT a) (NN result)) (PP (IN of) (NP (DT an) (JJ environmental) (NN quality) (NN improvement))))))) (. .)))
People will live longer if they get plenty of fresh air.
( People ( ( will ( live ( longer ( if ( they ( get ( plenty ( of ( fresh air ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS People)) (VP (MD will) (VP (VB live) (ADVP (ADVP (RBR longer)) (SBAR (IN if) (S (NP (PRP they)) (VP (VBP get) (NP (NP (RB plenty)) (PP (IN of) (NP (JJ fresh) (NN air)))))))))) (. .)))