Tus qauv kwv yees no hu ua phyletic gradualism. Darwin lees paub tias phyletic gradualism tsis yog feem ntau qhia los ntawm cov ntaub ntawv fossil. … Txawm hais tias evolution yog ib tug qeeb txheej txheem los ntawm peb cov qauv, nws yog ceev txheeb ze rau tus nqi ntawm cov fossil deposits zoo.
Dab tsi yog gradualism raws li Darwin?
Nyob rau hauv natural sciences, gradualism yog txoj kev xav uas tuav qhov kev hloov pauv loj yog cov khoom sib txuas ntawm cov txheej txheem qeeb tab sis txuas ntxiv, feem ntau sib piv nrog kev puas tsuaj. … Charles Darwin tau raug cuam tshuam los ntawm Lyell Cov Ntsiab Cai ntawm Geology, uas tau piav qhia ob qho tib si txheej txheem thiab kev xav.
Dab tsi yog gradualism Ua li cas Darwin siv lub tswv yim ntawd rau kev hloov pauv ntawm lub neej?
Gradualism tau raug sau tseg rau tus cwj pwm uas Darwin tau hais txog keeb kwm ntawm ib hom los ntawm lwm lub sijhawm geological, lossis "kev hloov pauv" ntawm hom. … Ntau qhov kev pom zoo xws li Erwin thiab Anstey 1995 muab pov thawj rau gradualism piv rau stasis raws li cov qauv empirical hauv cov ntaub ntawv fossil.
Leej twg yog gradualism thov los ntawm?
Gradualism yog lub tsev kawm ntawm kev xav uas tau lees tias, thoob plaws ntiaj teb keeb kwm, geological thiab biological txheej txheem tau ua haujlwm ntawm tus nqi pom tam sim no. Hauv geology, gradualism feem ntau pom tau tias tau pib nrog James Hutton (1726–97).
Darwin puas xav tias evolution yog maj mam?
Charles Darwin nkag siab qhov ntawdevolution yog tus txheej txheem qeeb thiab maj mam. Los ntawm kev maj mam, Darwin tsis txhais hais tias "zoo kawg nkaus du," tab sis theej, "stepwise," nrog ib hom kev hloov zuj zus thiab sib sau me me hloov pauv mus rau lub sijhawm ntev mus txog thaum ib hom tshiab tau yug los. … Darwin nws tus kheej tau shaken los ntawm lawv qhov tsis tuaj.