( ( Punctuated equilibrium ) ( , ( cont ( ( 'd ( Compare ( how ( ( proponents ( of ( gradualism ( versus ( punctuated equilibrium ) ) ) ) ) ( describe ( ( the pace ) ( of ( evolution ( of ( ( ( new species ) and ) ( higher taxa ) ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (S (VP (VBN Punctuated) (NP (NN equilibrium)))) (, ,) (NP (NN cont)) (VP (MD 'd) (VP (VB Compare) (SBAR (WHADVP (WRB how)) (S (NP (NP (NNS proponents)) (PP (IN of) (NP (NP (NN gradualism)) (PP (IN versus) (NP (JJ punctuated) (NN equilibrium)))))) (VP (VBP describe) (NP (NP (DT the) (NN pace)) (PP (IN of) (NP (NP (NN evolution)) (PP (IN of) (NP (NP (JJ new) (NNS species)) (CC and) (NP (JJR higher) (NN taxa)))))))))))) (. .)))
Punctuated equilibrium, cont'd Compare how proponents of gradualism versus punctuated equilibrium describe the pace of evolution of new species and higher taxa.
(ROOT (S (NP (NNP Darwin)) (VP (VBD believed) (PP (IN in) (NP (NN gradualism)))) (. .)))