Qhov zoo sib xws thiab qhov sib txawv ntawm tus nas thiab tus neeg laus thiab nas me
Ntau tus neeg paub tias tus neeg laus nas zoo li cas. Tab sis yuav ua li cas paub qhov txawv me me ntawm nas, vim hais tias cov me nyuam zoo sib xws. Cov nas thiab nas yog ntau hom nas, thiab saib ze dua qhia ntau qhov sib txawv.
Txheem
Qhov sib txawv ntawm tus menyuam nas thiab nas
Qhov nyuaj tshaj plaws kom paub qhov txawv ntawm cov nas me, lawv pom qhov zoo sib xws. Muaj ntau qhov pom kev pom:
- Cov nas muaj qhov nyias nyias, luv luv thiab yoog raws. Hauv nas, ntawm qhov tsis sib xws, nws yog tuab thiab ntev.
- Cov nas me zoo ib yam li cov neeg laus, lawv muaj lub ntsej muag elongated. Tab sis nas yog ntau round-faced.
- Cov nas lawv tus kheej kuj sib npaug, tag nrho lawv lub cev. Thiab nas yog ntev dua.
- Cov me nyuam tsaug zog tseem txawv dua. Cov nas ib txwm pw hauv pob. Cov nas pw ntawm lawv lub plab lossis ntawm lawv nraub qaum nrog ob txhais ceg.
Rat thiab nas: pom.
Qhov txawv ntawm qhov tsos
Cov ntxoov ntxoo ntawm cov ntaub plaub hauv cov nas tuaj yeem zoo sib xws. Thiab lub cev qauv ib yam nkaus. Tab sis muaj qhov sib txawv tseem ceeb.
| tsis | Nqaij | Cov nas |
| Lub cev loj | Txog li 25 cm ntev | 7-10 cm |
| Tus neeg laus hnyav | 220-250, txiv neej 450 g | 45-85 g |
| Muzzle puab lub suab | Elongated muzzle, me qhov muag | Daim duab peb sab muzzle, loj, nimble ob lub qhov muag |
| Pob ntseg | Me me, me ntsis plaub hau, daim duab peb sab | Pob ntseg pob ntseg, khaus thiab txawb |
| Paws | Hwj chim, leeg, nrog webbed ntiv tes | Me me, yoog raws, nrog tenacious claws. |
| Tsov tus tw | Luv luv, bristly ½ ntawm lub cev ntev | Ntev, nyias, ¾ ntev |
| KEV SIV | Rough, sparse, pom daim tawv nqaij | Silky, mos, hlob nyob rau hauv ib tug tuab npog. |
Cov txheeb ze sib txawv li cas?
Nws yuav zoo li cov hom zoo sib xws, tab sis muaj qhov sib txawv loj tshaj plaws ntawm qib gene. Cov nas tsuag muaj 22 pawg ntawm chromosomes, nas muaj 20. Li no qhov sib txawv ntawm kev txawj ntse, kev ua neej thiab kev coj cwj pwm.
Nas yog tsiaj ceev faj. Lawv yog cov cunning, yooj yim kawm, dexterous. Lawv qhov kev cob qhia yuav tshwm sim nyob rau theem ntawm cov dev. Ib tug kws cob qhia nas Magwa, Gambian hamster yug, tau txais txiaj ntsig thiab khoom plig.
Ob leeg thiab hom tsiaj no tuaj yeem noj cov zaub mov cog, tab sis yuav tsis tso cov nqaij. Tab sis cov nas loj, nas, feem ntau yuav tawm tsam thiab tawm tsam lwm tus, txawm tias nas.
xaus
Txawm hais tias muaj qhov zoo sib xws, nas thiab nas muaj qhov sib txawv ntau dua li cov yam ntxwv. Thiab txawm tias ib tus nas me los ntawm nas yog ib qho yooj yim kom paub qhov txawv yog tias koj paub yuav nrhiav dab tsi.
