2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
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.
Pom zoo:
Qhov twg yog tus tshiab nkauj tshiab lossis tshiab nkauj tshiab?
Ntxhais nkauj tshiab yog tus neeg nyuam qhuav sib yuav. Yog tias koj nyuam qhuav sib yuav tag kis no, koj thiab koj tus txij nkawm tshiab yog tus tshiab. Zoo siab! Qee tus neeg yuav xav txog koj ib tug tshiab nkauj nraug ntau xyoo tom qab lub tshoob tiag.
Yuav ua li cas txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau pom kev pom?
Txawm li cas los xij, corneal collagen cross-linking - cov txheej txheem qib siab tau pom zoo los ntawm US Food and Drug Administration (FDA) hauv xyoo 2016 - tuaj yeem txhim kho qhov pom kev hauv cov neeg mob txhua hnub nyoog. Corneal collagen cross-linking (CXL) tsis yog kho rau keratoconus, tab sis nws tuaj yeem pab tiv thaiv tus mob kom tsis txhob mob hnyav.
Puas muaj qhov chaw ruaj khov puas txhais tau tias tsis muaj zog nyob ruaj khov?
Thawj zaug nco ntsoov tias lub sijhawm kawg thib ob tsis suav tias yog lub ntsiab lus ntawm qhov muaj zog nyob ruaj khov, yog li, muaj zog ruaj khov tsis tas txhais tau tias tsis muaj zog nyob ruaj khov. Puas muaj zog nyob ruaj khov txhais tau tias tsis muaj zog nyob ruaj khov?
Puas muaj kev ntseeg ruaj khov kho dua tshiab?
Txhua Kev Ncig Tebchaws tau raug ncua vim COVID-19 kis thoob qhov txhia chaw. Ntxuav koj ob txhais tes, xyaum kev sib cais, nyob nyab xeeb. Puas yog Creedence Clearwater Revival tseem ua tau zoo? Creedence Clearwater Revival bassist Stu Cook thiab tus ntaus nruas Doug Clifford tham txog qhov kawg ntawm lawv qhov kev sib tw ua haujlwm ntev.
Puas khov tsis muaj dej khov khov?
Lub kaw-off valve ua haujlwm hauv qab kab te. Dej tsis tuaj yeem khov vim thaum nws kaw, tag nrho cov dej hauv cov kav dej tso tawm ib lub qhov hauv lub valve uas tau teem rau hauv av hauv qab kab te. Can Frost-free faucets freeze? Ib lub faucet tsis muaj dej khov yog tsim lostiv thaiv dej los ntawm khov hauv cov yeeb nkab lossis lub valve thiab ua rau nws puas.
