( ( ( The ( researchers term ) ) ( this ( change microevolution ) ) ) . )
(ROOT (NP (NP (DT The) (NNS researchers) (NN term)) (NP (DT this) (NN change) (NN microevolution)) (. .)))
The researchers term this change microevolution.
(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)))))))))) (. .)))