( Macroevolution ( ( is ( ( NOT ( simply microevolution ) ) ( extrapolated ( over ( ( longer periods ) ( of time ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Macroevolution)) (VP (VBZ is) (NP (NP (NNP NOT) (RB simply) (NNS microevolution)) (VP (VBN extrapolated) (PP (IN over) (NP (NP (JJR longer) (NNS periods)) (PP (IN of) (NP (NN time)))))))) (. .)))
Macroevolution is NOT simply microevolution extrapolated over longer periods of time.
(ROOT (S (NP (NP (NNP Evolution)) (SBAR (WHNP (WDT that)) (S (VP (VBZ occurs) (PP (IN over) (NP (NP (DT a) (JJ short) (NN period)) (PP (IN of) (NP (NN time))))))))) (VP (VBZ is) (VP (VBN known) (PP (IN as) (NP (NN microevolution))))) (. .)))