( ( macroevolution ( Evolution ( above ( the ( species level ) ) ) ) ) . )
(ROOT (S (VP (VB macroevolution) (NP (NP (NNP Evolution)) (PP (IN above) (NP (DT the) (NN species) (NN level))))) (. .)))
macroevolution Evolution above the species level.
(ROOT (S (NP (NNP Macroevolution)) (VP (VBZ happens) (SBAR (WHADVP (WRB when)) (S (NP (NP (NNS forces)) (PP (IN of) (NP (NN evolution)))) (VP (VBP work) (PP (IN over) (NP (NP (DT a) (JJ long) (NN period)) (PP (IN of) (NP (NN time))))))))) (. .)))