( ( ( Microevolution and ) Changing ) ( Alleles . ) )
(ROOT (S (NP (NNP Microevolution) (CC and) (NNP Changing)) (VP (VBZ Alleles)) (. .)))
Microevolution and Changing Alleles.
(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)))))))))) (. .)))