Tseem hma tseem muaj nyob?

Cov txheej txheem:

Tseem hma tseem muaj nyob?
Tseem hma tseem muaj nyob?

Video: Tseem hma tseem muaj nyob?

Video: Tseem hma tseem muaj nyob?
Video: Hwm Pheej Thoj - Rov Mus Txog Vib Nais 2024, Kaum ib hlis
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Cov kws tshawb fawb feem ntau pom zoo tias tus hma phem tshwj xeeb hauv kev yos hav zoov loj, ntau yam - nrog rau nees, nyuj thiab ntxhuav - tau dhau los extinctlossis poob qis hauv North America ib puag ncig 13, 000 xyoo dhau los. Kev ploj ntawm lawv cov tsiaj yuav luag yeej tsav tus hma uas ploj mus.

Puas muaj hma txaus ntshai nrog tib neeg?

Puas txij li lawv tau piav qhia thawj zaug hauv 1850s, hma phem tau ntes tib neeg niaj hnub kev xav. Lawv cov seem muaj tau pom thoob plaws hauv Asmeskas, txij Idaho mus rau Bolivia.

Yuav ua li cas tua hma phem?

Ib qho ntawm North America tus nto moo tshaj plaws thaum ub cov tsiaj nyeg-thiab nyiam ntawm Game of Thrones cov kiv cua-muag li tsis meej pem thaum nws ploj mus. Cov hma phem, uas tau tuag nrog mammoths thiab saber-toothed miv thaum kawg ntawm lub caij ntuj sov kawg, tau xav ntev los ua cov kwv tij txheeb ze ntawm cov hma grey.

Cov kws tshawb fawb puas tuaj yeem coj rov qab hma phem?

Raws li cov kev tshawb fawb tshiab tshaj tawm hnub no hauv Nature, cov kws tshawb fawb thaum kawg tau ua tiav DNA ntawm cov hma uas phem heev-thiab, qiv ib kab lus los ntawm 11 teev xov xwm, qhov lawv pom yuav ua rau koj xav tsis thoob. Ua ntej tshaj, yog, hma phem yog / yog tiag.

Hma loj yog dab tsi?

Txawm lawv qhov loj me, lawv zoo li maj mam loj. Tus hma phem yog ib tus tsiaj uas tsis txaus ntseeg, ntsuas yuav luag tsib taw ntawm lub taub hau mus rau tus Tsov thiab hnyav nyob ib puag ncig ntawm 150 mus rau 200 phaus-li 25 feem pua loj dua li tus dev loj tshaj plaws nyob niaj hnub no (tus neeg Asmeskas mastiff), thiab 25 feem pua hnyav dua qhov loj tshaj plaws grey hma.

Pom zoo: