2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Embryology, kev kawm txog kev txhim kho ntawm lub cev ntawm lub cev rau nws cov neeg laus daim ntawv, muab pov thawj rau evolution li embryo tsim nyob rau hauv dav-divergent pawg ntawm cov kab mob nyhav khaws cia. … Lwm daim ntawv pov thawj ntawm evolution yog kev sib koom ua ke ntawm cov kab mob uas sib koom ib puag ncig zoo sib xws.
5 qhov pov thawj ntawm kev hloov pauv yog dab tsi?
Tsib yam pov thawj rau kev hloov pauv tau tham hauv ntu no: cov kab mob qub txeeg qub teg, pob txha txheej, zoo sib xws ntawm cov kab mob uas muaj sia nyob niaj hnub no, zoo sib xws hauv DNA, thiab qhov zoo sib xws ntawm embryos.
6 qhov pov thawj ntawm kev hloov pauv yog dab tsi?
pov thawj rau evolution
- Kev xav. Cov tsiaj txhu yuav qhia cov yam ntxwv ntawm lub cev zoo sib xws vim tias qhov tshwj xeeb muaj nyob rau hauv cov poj koob yawm txwv (homologous qauv).
- Molecular biology. DNA thiab cov noob caj noob ces cuam tshuam txog kev sib koom caj ces ntawm lub neej. …
- Biogeography. …
- Fossils. …
- Kev soj ntsuam ncaj qha.
embryology qhia dab tsi txog evolution?
Cov kab mob ntawm cov kab mob uas muaj kev sib raug zoo ntawm caj ces ib leeg zoo li zoo sib xws rau lub sijhawm ntev txij li lawv tau sib koom ua poj koob yawm txwv tsis ntev los no. Yog li, embryology feem ntau yog siv los ua pov thawj ntawm txoj kev xav ntawm evolutionthiab cov hluav taws xob ntawm cov tsiaj los ntawm cov poj koob yawm txwv.
Cov pov thawj rau embryology yog dab tsi?
Embryology, los yogkev kawm ntawm embryos, tuaj yeem pab peb nrhiav tau ntau cov pov thawj los txhawb txoj kev xav ntawm evolution. Piv txwv li, cov qauv vestigial xws li tails lossis gills hauv tib neeg tuaj yeem pom hauv embryos thaum ntxov thaum lawv loj hlob. Lwm qhov pov thawj tseem ceeb yog Hox noob.
Pom zoo:
Yuav ua li cas ua pov thawj ua ntej ntawm cov pov thawj?
Kev xav ntawm cov pov thawj yog ib hom pov thawj cov qauv siv hauv lub nra ntawm kev tshuaj xyuas pov thawj. Raws li tus txheej txheem preponderance, lub nra ntawm cov pov thawj yog ntsib thaum tog nrog lub nra qhia tus neeg nrhiav qhov tseeb tias muaj ntau dua 50% qhov kev thov yog qhov tseeb.
Puas muaj pov thawj lossis tau ua pov thawj?
daim ntawv proven yog ib daim ntawv tsis sib xws yav dhau los. Ib tug tuaj yeem hais tau, Nws tau ua pov thawj nws txoj kev xav, lossis Nws tau ua pov thawj nws txoj kev xav. Raws li OED, pov thawj yog "cov ntawv ib txwm [ntawm kev koom tes yav dhau los]
Daim ntawv pov thawj puas txhais tau tias koj tau ntawv pov thawj?
A daim ntawv pov thawj txoj haujlwm tsis ua rau daim ntawv pov thawj kev tshaj lij. Yog lawm, cov kev kawm uas koj kawm hauv daim ntawv pov thawj tuaj yeem pab koj npaj kom tau txais daim ntawv pov thawj kev ua haujlwm tshwj xeeb, tab sis kev tau txais daim ntawv pov thawj tsis zoo ib yam li tau txais ntawv pov thawj.
Puas yog daim ntawv pov thawj lossis ntawv pov thawj tus kws qhia davhlau?
Daim ntawv pov thawj yog qhov ua tau lees paub. Lawv zoo sib xws tab sis tsis zoo ib yam. Qhov tseeb, hais txog cov kws qhia dav hlau, FAA ditched Certificate / Certified adjective ntev dhau los. Tam sim no tsuas yog "tso cai" tus kws qhia.
Vim li cas embryology suav tias yog pov thawj rau kev hloov pauv?
Embryology, kev kawm txog kev txhim kho ntawm lub cev ntawm lub cev rau nws daim ntawv laus, muab pov thawj rau kev hloov pauv raws li kev tsim embryo nyob rau hauv cov pab pawg sib txawv ntawm cov kab mob feem ntau tau txais kev txuag. … Lwm daim ntawv pov thawj ntawm evolution yog kev sib koom ua ke ntawm cov kab mob uas sib koom ib puag ncig zoo sib xws.
