( ( This definition ) ( ( ( is ( very similar ) ) ( to ( ( ( microevolution and ) evolution ) itself ) ) ) ... ) )
(ROOT (S (NP (DT This) (NN definition)) (VP (VBZ is) (ADJP (RB very) (JJ similar)) (S (VP (TO to) (VP (VB microevolution) (CC and) (VB evolution) (NP (PRP itself)))))) (: ...)))
This definition is very similar to microevolution and evolution itself...
(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))))) (. .)))