( ( ( ( ( Macroevolution Macroevolution ) , ) ( on ( the ( other hand ) ) ) ) , ) ( ( is ( what ( biologists ( ( think leads ) ( to ( ( the evolution ) ( of ( ( new species ) ( via ( natural selection ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Macroevolution) (NNP Macroevolution)) (, ,) (PP (IN on) (NP (DT the) (JJ other) (NN hand))) (, ,)) (VP (VBZ is) (SBAR (WHNP (WP what)) (S (NP (NNS biologists)) (VP (VBP think) (NP (NNS leads)) (PP (TO to) (NP (NP (DT the) (NN evolution)) (PP (IN of) (NP (NP (JJ new) (NNS species)) (PP (IN via) (NP (JJ natural) (NN selection))))))))))) (. .)))
Macroevolution Macroevolution, on the other hand, is what biologists think leads to the evolution of new species via natural selection.
(ROOT (S (NP (DT The) (NN term) (NN macroevolution)) (VP (VBZ refers) (PP (TO to) (NP (NP (JJR larger) (JJ evolutionary) (NNS changes)) (SBAR (WHNP (WDT that)) (S (VP (VBP result) (PP (IN in) (NP (JJ new) (NNS species))))))))) (. .)))