Microevolution yog qhov hloov pauv ntawm cov zaus ntawm allele uas tshwm sim dhau sijhawm hauv cov pejxeem. … Qhov kev hloov pauv no tshwm sim dhau ib qho luv luv (hauv cov ntsiab lus evolutionary) lub sijhawm piv rau cov kev hloov pauv hu ua 'macroevolution' uas yog qhov sib txawv ntau dua ntawm cov pejxeem tshwm sim.
macroevolution tshwm sim li cas?
Macroevolution yog ib qho kev hloov pauv uas tshwm sim ntawm lossis siab dua qib ntawm hom. Nws yog qhov tshwm sim ntawm microevolution tshwm sim ntau tiam neeg. Macroevolution tuaj yeem cuam tshuam txog kev hloov pauv hauv ob hom kev sib cuam tshuam, xws li hauv kev sib koom ua ke, lossis nws yuav cuam tshuam qhov tshwm sim ntawm ib lossis ntau hom hom tshiab.
Puas yog macroevolution muaj tseeb tshwm sim hauv cov pejxeem?
Cov lus muab: macroevolution tshwm sim hauv cov pejxeem yog cuav. Macroevolution tshwm sim nyob rau theem siab tshaj qib ntawm hom. Microevolution cuam tshuam txog kev hloov pauv hauv cov pejxeem lossis hom sib txawv rau macroevolution.
Puas microevolution tshwm sim hauv tib neeg?
Microevolution yog qhov kev hloov pauv hauv allele zaus uas tshwm sim dhau sijhawm hauv cov pejxeem. Qhov kev hloov pauv no yog vim muaj plaub yam txheej txheem sib txawv: kev hloov pauv, kev xaiv (natural thiab artificial), gene flow thiab genetic drift.
Puas evolution tshwm sim hauv tib neeg lossis pejxeem?
Cov kab mob tib neeg tsis hloov zuj zus. Populations evolve. … Cov nocov tib neeg feem ntau muaj sia nyob thiab tsim cov xeeb ntxwv ntau dua, yog li dhau lawv cov txiaj ntsig zoo rau lwm tiam neeg. Thaum lub sij hawm, cov pejxeem hloov.
