qaib ya? Ib tug yam ntxwv tshwj xeeb ntawm qaib yog tias, txawm tias lawv yog cov noog, lawv tsis muaj peev xwm ya, tsawg kawg tsis zoo li cov nquab lossis nquab ua, piv txwv li. Koj puas paub vim li cas qaib tsis ya? Puas muaj noog uas tsis flyless?
Rau ntau, qaib yog cov noog ze heev thiab, yog li ntawd, lawv txiav txim siab coj lawv los ua tsiaj. Ib yam li ntawd, yog tias koj tau muaj sijhawm los nyob, siv lub caij ntuj sov los yog mus xyuas ib lub nroog lossis cov chaw nyob deb nroog, nws yog qhov pom zoo kom pom cov qaib coops hauv txhua lub tsev vim lawv muab qe. Yog koj twb pom lawv thiab xav paub tias yog vim li cas vim qaib tsis ya, mus nyeem ntawv thiab nrhiav cov lus teb hauv tsab xov xwm no hauv peb lub vev xaib.
Pab qaib noog?
qaib yog noog belongs to the order Galliformes, which is include in the class of noog. Qhov kev txiav txim no suav nrog lwm hom tsiaj xws li partridges lossis turkeys, tag nrho cov uas muaj cov poj koob yawm txwv [1] Raws li qhov xav paub txog keeb kwm ntawm tus qaib, Thawj hom qaib yog suav tias yog tus qaib bankiva ntawm Southeast Asia, nws lub npe scientific yog Gallus gallus bankiva. Nws yog tsim los hais tias nws yog ib tug tshwm sim ntawm no hom uas tag nrho cov breeds ntawm domestic thiab qus qaib ntawm niaj hnub no tshwm sim.
Tab sis hais tias, qaib yog noog tab sis lawv ya tsis tau ntev, yog,tuaj yeem npuaj lawv cov tis thiab qee hom muaj peev xwm tawm hauv av ob peb feeb, ua kom tawg. Txawm li cas los xij, lawv tsis nyob hauv huab cua zoo li cov noog ua.
Lawv tsis yog tib leeg xwb, vim tsis muaj qhov tsis ntseeg peb yuav ntsib cov penguins, lwm cov noog tsis ya, lossis ostriches, uas kuj tsis muaj peev xwm ya. Hauv tsab xov xwm no peb nthuav dav ntau cov noog uas tsis tuaj yeem ya: Cov noog uas tsis ya - Cov yam ntxwv thiab 10 qhov piv txwv. Tag nrho cov noog no muaj ntau yam sib xws, tab sis qhov tseem ceeb tshaj plaws yog nyob rau hauv tag nrho lawv lub peev xwm ya ploj lawm raws li hom evolved, uas yog, lawv phylogenetic. poj koob yawm txwv ya.
Vim li cas qaib ho tsis ya yog noog?
Tab sis yuav ua li cas ib tug noog tsis ya? Puas yog qhov tseem ceeb uas yuav tsum muaj rau cov noog kom ya tau? Zoo lo lus teb tsis yog. Txawm hais tias nws yog qhov tseeb tias qhov ntau tshaj plaws yog rau cov noog ya, nws tsis yog ib qho tseem ceeb uas yuav tsum tau los ntawm taxonomic point of view tias lawv ya mus rau suav hais tias yog noog. Lwm yam yuav tsum tau muaj, xws li: muaj plaub, muaj tis, seb puas muaj txiaj ntsig zoo rau kev ya davhlau, muaj beak lossis yog tsiaj muaj ntsws.
Hais lus nug yog vim li cas qaib ho tsis ya yog noog, cov lus teb muaj nyob rau hauv lawv cov tis Cov tis ntawm Qaib muaj qhov sib txawv ntawm cov morphology los ntawm cov noog ya, ua kom muaj zog dua, yog li hnyav dua thiab me dua piv rau lawv lub cev. Ntxiv rau qhov no, qaib tsis ya vim lawv tsis muaj ib qho tseem ceeb, lub keel, cov leeg tseem ceeb rau kev ya davhlau, vim nws yog ib qho uas tso cai rau flapping ntawm lawv tis. Thaum kawg, cov noog no muaj denser thiab ntau dua cov plumages, uas tseem ua rau lawv hnyav dhau.
Vim li cas qaib thiaj muaj tis me?
Evolutionary studies on vestigial organs xa mus rau ntau qhov xwm txheej rau cov tis ntawm cov noog tsis muaj zog. Lub cev vestigial yog ib qho uas, thaum lub sijhawm hloov pauv hloov pauv, tau tso tseg tsis ua tiav cov haujlwm uas nws tau ua tiav dhau los, tseem yog ib qho cim qhia tias nws muaj txiaj ntsig ntawm qee lub sijhawm. Flightless noog muaj tis uas tsis pub lawv ya, txawm hais tias lawv siv tau rau lwm yam kev ua, xws li kev sib raug zoo los yog kev tiv thaiv rituals.
Vim tag nrho cov saum toj no, cov tis ntawm cov qaib me me nyob rau hauv feem ntawm lawv lub cev, vim hais tias raws li hom tau hloov zuj zus mus, cov tis tau tas li tseem ceebRau qaib nws yog ib qho tseem ceeb dua, piv txwv li, kom muaj ob txhais ceg ntev uas tso cai rau lawv khiav thiab txawm dhia, qhov no yuav pab tau ntau dua rau lawv txoj sia nyob. Tsis tas li ntawd, cov tsiaj no txhim kho lawv lub neej tag nrho hauv av, vim qhov ntawd yog qhov chaw lawv nrhiav zaub mov, thiab lawv tsis tas yuav tsiv teb tsaws, yog li rau lawv cov tis yog ib feem ntawm lawv lub cev tag nrho.
