( Microevolution ( ( involves ( processes ( that ( ( lead ( to ( evolutionary changes ) ) ) ( within species ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Microevolution)) (VP (VBZ involves) (NP (NP (NNS processes)) (SBAR (WHNP (WDT that)) (S (VP (VBP lead) (PP (TO to) (NP (JJ evolutionary) (NNS changes))) (PP (IN within) (NP (NNS species)))))))) (. .)))
Microevolution involves processes that lead to evolutionary changes within species.
(ROOT (S (NP (NNP Microevolution)) (VP (VBZ is) (NP (NP (DT the) (NN process)) (SBAR (WHPP (IN by) (WHNP (WDT which))) (S (NP (NNS organisms)) (VP (VBP change) (PP (IN in) (NP (NP (JJ small) (NNS ways)) (PP (IN over) (NP (NN time)))))))))) (. .)))