( ( ( The ( gradual change ) ) ( through time ) ) ( ( has ( been ( termed microevolution ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ gradual) (NN change)) (PP (IN through) (NP (NN time)))) (VP (VBZ has) (VP (VBN been) (VP (VBN termed) (NP (NN microevolution))))) (. .)))
The gradual change through time has been termed 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)))))))))) (. .)))