Kev xaiv ruaj khov tuaj yeem ua rau tsim cov hom tshiab? No, vim feem coob ntawm cov thawj coj tseem yog feem coob ntawm cov neeg tshiab. … Yog li lawv raug cais tawm ntawm nws niam nws txiv.
Yuav ua li cas rau ib hom thaum xaiv stabilizing?
Nyob rau hauv cov ntsiab lus technical, stabilizing xaiv discards cov huab phenotypes thiab es tsis txhob nyiam rau feem coob ntawm cov pej xeem uas yog zoo yoog rau lawv lub zos ib puag ncig. … Ntau haiv neeg hauv ib haiv neeg tsawg zuj zus vim yog kev xaiv-genotypes uas tsis raug xaiv raug txo thiab tuaj yeem ploj mus.
Kev xaiv ruaj khov ua li cas?
Kev cuam tshuam ntawm cov qauv pej xeem
kev xaiv ruaj khov ua rau qhov nqaim ntawm cov phenotypes pom hauv cov pej xeem. Qhov no yog vim qhov huab phenotypes raug xaiv tawm tsam, ua rau txo qis kev ciaj sia nyob rau hauv cov kab mob nrog cov yam ntxwv.
Kev xaiv tuaj yeem tsim hom tshiab?
Natural selection can ua rau speciation, qhov twg ib hom yuav nce mus rau ib hom tshiab thiab txawv txawv. Nws yog ib qho ntawm cov txheej txheem uas tsav evolution thiab pab piav qhia txog ntau haiv neeg ntawm lub neej hauv ntiaj teb.
Yuav xaiv yam twg thiaj tsim tau yam tshiab?
Natural selection piav qhia txog qhov caj ces ntawm ib hom yuav hloov pauv li cas. Qhov no yuav ua rau speciation, tsim ibtxawv hom tshiab.