Ntxhais vs Ntsuag
Kev txheeb xyuas qhov sib txawv ntawm venomous thiab nonvenomous nab yuav tsis nyuaj heev yog tias koj paub cov yam ntxwv ntawm cov nab venomous. Qhov tseeb, feem ntau venomous nab qhia qee yam ntawm lawv. Snakes yog vertebrates thiab belongs rau Class Reptilia. Cov tsiaj reptiles tau yoog tau zoo los nyob hauv ntau qhov chaw nyob thiab nthuav tawm peb tus yam ntxwv tseem ceeb, uas yog; (a) nteg qe amniotic, (b) muaj cov tawv nqaij qhuav thiab (c) ua pa thoracic. Snakes yog categorized raws li Order Squamata. Txog tam sim no muaj txog 3000 hom nab nab. Lub peculiarity ntawm tus nab yog qhov muaj cov kabmob copulatory hauv cov txiv neej. Snakes yog carnivores thiab noj tsuas yog rau kab thiab tsiaj me. Nyob ntawm qhov muaj venom, nab muab faib ua ob pawg; venomous thiab nonvenomous nab. Ob pawg nab no tuaj yeem txheeb xyuas tau los ntawm ob peb yam morphological.
Dab tsi yog Venomous nab?
Npaj nab yog cov nab muaj peev xwm tsim tau venom. Snakes zoo li cobras, vipers, thiab ze ze ntawm cov nab yog suav tias yog nab venomous. Qee tus nab venoms heev venomous whereas ib txhia yog me ntsis venomous. Venomous qog yog cov qog nqaij hlav hloov kho. Venomous nab xa venom los ntawm fangs. Yog li ntawd, lub xub ntiag ntawm fangs yog ib tug yam ntxwv feature ntawm feem ntau venomous nab. Feem ntau cov nab suav nrog vipers thiab elapids muaj lub raj khoob hauv lawv cov fangs kom xa cov venoms zoo dua. Txawm li cas los xij, tom qab-fanged nab zoo li Boomslang, tsob ntoo nab muaj qhov zawj ntawm ntug ntug ntawm tus fang kom xa venom. Tus nqi thiab hom venoms feem ntau yog prey tshwj xeeb thiab siv tsuas yog siv los ua pa tawm. Kev tiv thaiv tus kheej yog qhov ua haujlwm thib ob ntawm cov venoms. Venoms yog cov proteins thiab tuaj yeem ua rau neurotoxic, hemotoxic, lossis cytotoxic. Cov nab venomous feem ntau muaj lub taub hau daim duab peb sab thiab elliptical cov menyuam kawm ntawv.
Viper taub hau nrog fangs
Dab tsi yog Dab Tsi?
Npaj tsis muaj peev xwm tsim tau venom yog hu ua nonvenomous nab. Feem ntau ntawm cov nab nyob rau hauv pawg no. Qee qhov piv txwv rau cov nab uas tsis muaj venomous xws li pythons, boas, bullsnakes, thiab lwm yam. Txawm li cas los xij, tom cov nab loj uas tsis muaj venomous tuaj yeem mob heev uas yuav ua rau tuag taus vim lawv lub puab tsaig tawv. Cov nab uas tsis muaj venomous tuaj yeem txheeb xyuas tau yooj yim los ntawm qhov tsis muaj fangs, puag ncig lub taub hau, thiab muaj qhov quav qhov quav hauv ob kab. Txij li thaum, cov nab no tsis muaj venoms kom tso lawv cov tsiaj, lawv siv lwm txoj kev xws li nyem los yog zom cov tsiaj los yog nqos lawv cov tsiaj. Raws li kev tiv thaiv kev tiv thaiv, qee cov nab uas tsis muaj venomous ua rau cov nab venomous.
Python
Dab tsi yog qhov txawv ntawm Venomous thiab Nonvenomous Snakes?
• Ntsuag nab ua venom, tab sis nab tsis venomous tsis.
• Ntsuag nab muaj ntxiag xa cov venom rau lawv cov tsiaj nyeg, qhov uas tsis muaj fangs nyob rau hauv nonvenomous nab.
• Feem ntau cov venomous nab muaj lub taub hau daim duab peb sab, whereas nonvenomous nab muaj lub taub hau.
• Ntsuag nab muaj elliptical me nyuam kawm ntawv thaum cov nab tsis venomous muaj cov menyuam kawm ntawv puag ncig.
• Venomous snakebite ua rau ib los yog ob punctures ntawm daim tawv nqaij ntawm tus neeg raug tsim txom, whereas nonvenomous nab tom ua rau ntau punctures ntawm daim tawv nqaij vim maxillary hniav ntawm lub puab tsaig sab sauv.
• Ntsuag nab ib txwm muaj qhov sib txawv ntawm qhov kub thiab txias ntawm lub taub hau tsis zoo li cov nab uas tsis muaj venomous.
• Ntsuag zoo li nab rattles muaj rattle ntawm nws tails, tab sis tsis muaj rattles nyob rau hauv nonvenomous nab.
• Muaj ib kab ntawm qhov quav qhov quav muaj nyob rau hauv nab venomous, whereas ob kab ntawm qhov quav qhov quav muaj nyob rau hauv nonvenomous nab.
