Rau cov neeg uas muaj lossis puas tau muaj ib tug luav zoo li ib tug tsiaj, tsis yog ib qho uas lawv tau hnov, lossis txawm hais rau lawv tus kheej tias luav gnaw thiab rhuav tshem txhua yam, vim nws yog nws tus nas instinct. Tab sis yog luav nas? Lo lus teb yog NO, luav tsis yog nas, lawv yog lagomorphs, lo lus no puas paub koj?
Nyob hauv tsab xov xwm no peb yuav piav qhia txhua yam txog vim leeb tsis yog nas thiab dab tsi yog lagomorph?
Nyob nas
Thaum peb hais txog cov nas, peb tab tom hais txog ib pab tsiaj, cov ntawm order Rodentia, uas encompasses ntau hom, kwv yees tag nrho ntawm 2,300 hom uas tau faib thoob plaws ntiaj teb. Qhov kev txiav txim ntawm nas yog suav tias yog qhov sib txawv tshaj plaws, vim nws yog ib qho uas muaj ntau hom ntau hom.
Qee cov nas uas nquag tshaj plaws thiab paub zoo yog nas, nas, npua guinea, hamsters lossis squirrels, txawm hais tias tseem muaj lwm yam xws li porcupines lossis beavers nyob rau hauv qhov kev txiav txim no. Raws li peb tau pom, lawv yog ntau hom sib txawv, npog tiag tiag sib txawv qhov ntau thiab tsawg. Txawm li cas los xij, txhua tus ntawm lawv muaj qhov sib xws lawv yog quadrupedal (lawv mus rau plaub plaub) thiab muaj cov hniav uas muaj ob lub incisors loj heev uas tsis muaj kev loj hlob.
Vim cov luav kuj muaj incisors uas tsis tso tseg, vim li cas peb thiaj hais tias luav tsis yog nas?
Lagomorph yog dab tsi?
Tab sis yog luav tsis yog nas, yog dab tsi? Labbits yog lagomorphs, uas yog, lawv koom rau lwm yam kab mob lom neeg, koom nrog hom xws li hares lossis pikes. Tau ntau pua xyoo lawv raug suav tias yog nas, thiab nws tsis yog txog rau xyoo pua 20th uas muaj qhov sib txawv ntawm cov nas thiab lagomorphs.
Lagomorphs muaj lub cev pob txha thiab ib qho anatomy ze rau ntawm artiodactyls (hoofed mammals xws li tshis lossis mos lwj), vim lawv kuj muaj ob txhais ceg xaus ntawm cov ntiv tes thiab qhia qee yam ntawm lub cev, ib yam dab tsi uas tsis tshwm sim hauv nas.
Sib txawv ntawm lagomorphs thiab nas
Raws li peb tau pom, tus nas tsis zoo ib yam li lub lagomorph. Qhov sib txawv tseem ceeb ntawm lawv yog cov muaj feem xyuam rau lawv cov hniav, uas nyob rau hauv ob qho tib si tsis nres loj hlob, thiab raws li nram no:
- Cov nas tsuag muaj ib khub ntawm incisors nyob rau sab sauv, ob qho tib si loj, uas nws enamel tsuas yog npog rau pem hauv ntej.
- Lagomorphs muaj ob khub incisors nyob rau sab saum toj ntawm lawv lub qhov ncauj, ib tug loj central ib thiab ib tug me me dua cov nram qab no, ua kiag li. npog nrog enamel.
- Lagomorphs muaj ntau dua thiab tuab plaub, npog tag nrho cov extremities, uas tsis tshwm sim nyob rau hauv nas.
- Nqaij tuaj yeem yog omnivores, hos lagomorphs yog herbivores nruj me ntsis.
- Lagomorphs nyob hauv burrows underground. Rau lawv feem, nas yoog tau thiab tuaj yeem nyob saum npoo av, tab sis kuj nyob hauv av.
Pab guinea npua nas?
Xwb, txawm tias lawv cov tsos, qhov tseem ceeb ntawm qee cov tsiaj xws li Peruvian guinea npua, yuav zoo li tus luav ntau dua, guinea npua yog nasLawv raug suav hais tias yog nas vim lawv tsuas muaj ob lub puab tsaig nyob rau hauv lub puab tsaig sab sauv, nrog rau cov yam ntxwv tsis muaj enamel nyob rau hauv tag nrho cov hniav.
Ib yam uas yuav ua rau peb tsis meej pem yog tias, tsis zoo li lwm cov nas xws li nas, nas lossis hamsters, guinea npua tsis yog omnivores, tab sis herbivores. Txawm li cas los xij, lawv tsis yog cov nas tsuas yog herbivorous nas, xws li coypus, chinchillas thiab liab squirrels, piv txwv li, kuj nruj me ntsis herbivorous.
Puas yog luav mammals?
Yes, Lab yog cov tsiajvim lawv gestate cov khoom siv hauv tsev menyuam thiab ces noj mis nyuj uas leej niam tsim los ntawm nws ob lub mis.. Yog xav paub ntxiv txog nws cov txheej txheem tsim tawm thiab kev xeeb tub, tsis txhob nco cov lus no:
