Yuav ua li cas thiab Vim Li Cas Lizards Tso Lawv Tail? Vet Reviewed Science & Qhov Tseeb

Cov txheej txheem:

Yuav ua li cas thiab Vim Li Cas Lizards Tso Lawv Tail? Vet Reviewed Science & Qhov Tseeb
Yuav ua li cas thiab Vim Li Cas Lizards Tso Lawv Tail? Vet Reviewed Science & Qhov Tseeb
Anonim

Tau tus Tsov tus tw yog ib qho kev tiv thaiv zoo rau lizards Tsiaj txhu muaj cov txheej txheem tiv thaiv tshwj xeeb thaum lawv paub tias lawv muaj kev phom sij. Piv txwv li, texas horned lizards tuaj yeem nqus ntshav los ntawm lawv lub qhov muag mus txog tsib taw. Cov kab plaub hau tuaj yeem tawg lawv cov pob txha ntiv taw thiab thawb lawv los ntawm lawv cov tawv nqaij los tsim cov claws. Hiav txwv cucumbers tuaj yeem tshem tawm cov tshuaj lom neeg hauv nruab nrog cev tawm ntawm lawv lub qhov quav thiab tom qab ntawd loj hlob rov qab.

Thaum tus Tsov tus tw poob qis dua thiab txaus ntshai tshaj li cov txheej txheem tiv thaiv tau hais tseg, nws yog ib yam uas muaj ntau cov tsiaj reptiles tuaj yeem ua tau. Piv txwv li, cov lizards feem ntau tuaj yeem tso lawv cov tails, thiab qee tus tuaj yeem rov cog lawv.

Cia li nyeem kom paub seb yog vim li cas thiab lizards poob lawv cov tails thiab kev tshawb fawb tom qab no fascinating tiv thaiv txheej txheem.

Vim li cas Lizards tso lawv Tail?

Raws li peb tau hais nyob rau hauv kev taw qhia rau peb blog, lizards poob lawv tails raws li ib tug tiv thaiv mechanism thaum lawv paub tias lawv nyob rau hauv txaus ntshai. Qhov no mechanism yog hu ua caudal autotomy. Lo lus autotomy txhais tau tias " self" thiab "sever" hauv Greek.

Yog hais tias tus nab npawb ntawm tus Tsov tus tw raug rub mus rau los yog cov tsiaj reptiles nyuaj siab, cov nqaij ntshiv ntawm lub dav hlau tawg yuav pib rub tawm ntawm ib leeg. Qhov no yog hu ua reflex nqaij spasm. Cov leeg rub sib nrug yog dab tsi ua rau nthuav dav kom tshem tawm.

Tom qab tus Tsov tus tw detached, nws feem ntau txav mus ntxiv, uas yog lwm txoj hauv kev cuam tshuam tus neeg tua tsiaj, muab sijhawm rau lizard txaus kom khiav tawm.

Yuav ua li cas Lizards tso lawv Tails?

Nrog lizards 'tails yog qhov chaw tsis muaj zog hu ua pob txha tawg. Cov no yog cov cheeb tsam uas tus Tsov tus tw tuaj yeem detach nws tus kheej. Thaum nyob rau hauv lub tshav kub ntawm lub caij ntuj no, lizard tuaj yeem txiav txim siab los ntawm lub dav hlau tawg uas nws xav txiav nws tus Tsov tus tw. Tom qab ntawd, thaum nws yog lub sijhawm rau lizard qhib lawv cov txheej txheem tiv thaiv, nws khoov nws tus Tsov tus tw ntawm ib sab lub kaum sab xis los pib qhov txheej txheem poob.

Cov qauv sab hauv ntawm tus Tsov tus Tsov tus tw nta micropillars, prongs, thiab nanopores uas ua haujlwm zoo li ntu uas kaw rau ib leeg, zoo li cov plugs nkag mus rau hauv qhov (sockets). Muaj yim lub cone-puab prongs, uas yog qhov tseem ceeb ntawm cov leeg nqaij teem rau hauv ib lub voj voog. Lawv haum rau hauv lawv cov qhov sib xws, uas muaj cov phab ntsa du. Txhua tus prong yog npog hauv micropillars uas zoo li cov nceb me me.

Txhua lub micropillar yog pockmarked nrog nanopores. Cov kev tshawb fawb qhia tias qhov chaw nruab nrab ntawm ob lub tsev no pab ua kom qeeb ntawm qhov pib tawg. Tsis tas li ntawd, cov micropillars thiab nanopores pab nrog adhesion 15 npaug ntau dua li qhov tsis muaj micropillars. Nws yog kev sib raug zoo zoo nkauj uas cov kws tshawb fawb feem ntau hu ua Goldilocks Txoj Cai; tus Tsov tus tw muaj qhov zoo ntawm qhov txuas, yog li nws tsis poob yooj yim heev, tab sis yuav poob sai sai thaum tsim nyog.

Duab
Duab

Thaum Lizards Tso Lawv Tails?

Tub poob yog qhov chaw kawg rau lizards. Lawv yuav tsis plam lawv tus Tsov tus tw yog tias ib tug dev qw rau lawv nrov heev. Nws tuaj yeem tshem tawm, txawm li cas los xij, yog tias koj yuav tsum tau nqis los ntawm kev sib tsoo, rub nws dhau lub zog, lossis yog tias cov khoom hnyav yuav poob rau nws.

Dab tsi tshwm sim tom qab Lizards tso lawv Tail?

Tail autonomy tau txhim kho lub sijhawm mus txog qhov twg, thaum tus Tsov tus tw ntog, yuav tsis muaj ntshav poob. Feem ntau cov lizard hom yuav regrow dua rau 6 mus rau 12 lub hlis, txawm hais tias qhov regrowth ceev tuaj yeem nyob ntawm qhov xwm txheej xws li ib puag ncig thiab kev noj haus.

Kev tshawb fawb qhia tias tus Tsov tus tw regrown yog qee zaum ua los ntawm cov pob txha mos ntawm cov pob txha es tsis yog vertebrae. Txoj kev loj hlob tshiab pib raws li lub stub kom txog thaum nws tuaj yeem loj hlob mus rau qhov ntev, txawm hais tias lawv feem ntau tsis loj hlob mus rau tib qhov ntev li qub tus Tsov tus tw. Tus Tsov tus tw regrown tends yuav ntau muted nyob rau hauv cov xim, ib yam nkaus thiab. Qee lub sij hawm tus Tsov tus tw tshiab loj hlob thiab txawm ua bifurcated (forked) raws li nws regrows.

Txawm hais tias nws yuav cawm tau tus lizard txoj sia, txoj kev tiv thaiv tsis tuaj yam tsis muaj qhov tshwm sim. Lizards siv lawv cov tails khiav, sib npaug, dhia, thiab ua phooj ywg, yog li cov haujlwm yooj yim no cuam tshuam txog thaum lawv tuaj yeem rov tsim tus Tsov tus tw.

Tsis tas li ntawd, tus Tsov tus tw feem ntau ua hauj lwm raws li cov roj reservoir. Lizards uas poob lawv tails poob no reservoir. Cov tswv ntawm cov lizards uas tau ploj tus Tsov tus tw yuav tsum nco ntsoov txog qhov no thiab xyuas kom lawv pub lawv lizard kom tsim nyog, vim tias lawv lub peev xwm yoo mov yog qhov txwv hnyav yog tias lawv plam lawv tus Tsov tus tw.

Txoj Kev Xav

Ib tug lizard yuav tsum xav tias nws lub neej muaj kev phom sij tam sim ntawd kom tshem nws tus Tsov tus tw, thiab thaum nws tsis loj hlob, nws tuaj yeem cuam tshuam rau lub neej ntawm cov tsiaj reptiles, tshwj xeeb tshaj yog tias nws nyob hauv cov tsiaj qus. Ua tsaug, nws zoo li lizards tsuas yog siv rau qhov kev tiv thaiv no ua qhov chaw kawg nkaus xwb, yog li nws tsis zoo li tias lizards yuav tau ntsib kev phom sij tsim nyog los ua rau tus Tsov tus tw poob.

Lizard Tail poob yog ib qho kev tiv thaiv zoo heev uas tau ua rau cov kws tshawb fawb tsis txaus ntseeg rau ntau xyoo. Nws yog qee qhov tseem ceeb tshaj tam sim no uas kev tshawb fawb tom qab kev tsim kho dua tshiab tau paub. Tab sis, zoo li nrog ntau yam hauv ntiaj teb tsiaj, muaj ntau dua li qhov ua tau raws li qhov muag, thiab tsis muaj txoj cai nyuaj thiab nrawm npaum li cas tus Tsov tus tw yuav rov zoo li cas-yog tias nws ua txhua yam.

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