2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Tag nrho cov molecules no ua haujlwm tseem ceeb hauv cov hlwb, uas yog vim li cas nws yuav ua rau pom tias feem ntau cov kab mob muaj lawv. … Cov kev sib koom biochemical molecules thiab txoj hauv kev muab cov pov thawj muaj zog rau qhov qhovntsej thiaj tsis mob ntau qhovntsej thiaj tsis zoo yog qhov cuam tshuam ntawm speciation, uas ntau hom muab los ntawm ib qho ib leeg txiv neej. Qhov tsis ntev los no cov poj koob yawm txwv cov pej xeem ob hom muaj nyob rau hauv ib qho, qhov zoo sib xws yog lawv. https://en.wikipedia.org › wiki › Common_descent
Nco qhovntsej thiaj tsis mob - Wikipedia
thiab evolution.
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.
Puas yog biochemical zoo sib xws yog pov thawj ntawm evolution?
Kev piav qhia: Biochemical zoo sib xws yog pov thawj ntawm kev hloov pauv ntawm ntau hom kev ua neej los ntawm cov poj koob yawm txwv nyob deb heev.
biochemical txhawb txoj kev xav ntawm evolution li cas?
Nov yog cov ntsiab lus luv luv ntawm cov pov thawj uas txhawb txoj kev xav ntawm evolution los ntawm kev xaiv ntuj: Biochemistry yog kev kawm txog cov chemistry thiab cov txheej txheem uas tshwm sim hauv hlwb. … Biogeography, kev kawm txog tej yam nyob ib ncig ntawm lub ntiaj teb no, pab txhawb Darwin txoj kev xav ntawm biological evolution.
Dab tsi yog qhov kev xav ntawmBiochemical evolution yog dab tsi?
biochemical evolution (molecular evolution) Cov kev hloov uas tshwm sim ntawm qib molecular hauv cov kab mob nyob rau lub sijhawm. Cov kab no los ntawm kev tshem tawm, ntxiv, lossis hloov pauv ntawm ib qho nucleotides, los ntawm kev hloov pauv ntawm cov noob caj noob ces, mus rau qhov sib npaug ntawm tag nrho cov noob lossis txawm tias tag nrho cov genomes.
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 embryology pov thawj ntawm evolution?
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.
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.
