( Fitness ( ( should ( pass ( ( ( some ( objective test ) ) , ) ( such ( as ( ability ( of ( an ( individual ( to ( ( ( ( survive , ) ( attract mates ) ) and ) ( procure offspring ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Fitness)) (VP (MD should) (VP (VB pass) (NP (NP (DT some) (JJ objective) (NN test)) (, ,) (PP (JJ such) (IN as) (NP (NP (NN ability)) (PP (IN of) (NP (DT an) (NN individual) (S (VP (TO to) (VP (VP (VB survive)) (, ,) (VP (VB attract) (NP (NNS mates))) (CC and) (VP (VB procure) (NP (NN offspring))))))))))))) (. .)))
Fitness should pass some objective test, such as ability of an individual to survive, attract mates and procure offspring.
(ROOT (S (NP (DT The) (NN term) (NN fitness)) (VP (VBZ describes) (NP (NP (DT the) (JJ overall) (NN ability)) (PP (IN of) (NP (DT an) (NN animal) (S (VP (TO to) (VP (VB survive) (CC and) (VB produce) (NP (NN offspring))))))))) (. .)))