Dab tsi yog cov kws tshawb fawb taxa siv los faib cov khoom muaj sia?
Dab tsi yog cov kws tshawb fawb taxa siv los faib cov khoom muaj sia?

Video: Dab tsi yog cov kws tshawb fawb taxa siv los faib cov khoom muaj sia?

Video: Dab tsi yog cov kws tshawb fawb taxa siv los faib cov khoom muaj sia?
Video: Yeeb Yaj Kiab Khixatia | "Raug Ntaus Cim Tseg" Tus Ntseeg Cov Lus Tim Khawv txog Txoj Kev Ntseeg 2024, Kaum ib hlis
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Kev tshawb fawb ntawm kev faib cov tsiaj muaj sia hu ua taxonomy. Linnaeus tau qhia txog kev faib cov txheej txheem uas tsim lub hauv paus ntawm kev faib tawm niaj hnub no. Taxa hauv Linnaean system muaj xws li lub nceeg vaj, phylum, chav kawm, kev txiav txim, tsev neeg, genus, thiab hom.

Tom qab ntawd, ib tug kuj yuav nug, cov kws tshawb fawb siv DNA los faib cov kab mob li cas?

Piv txwv li, cov kws tshawb fawb ua tau siv DNA ib ntus los pab txiav txim seb lawv puas tau pom ib hom tshiab. Cov kws tshawb fawb kuj sib piv DNA sequences los ntawm txawv kab mob thiab ntsuas tus naj npawb ntawm cov kev hloov pauv (mutations) ntawm lawv los txiav txim seb hom tsiaj nyob ze lossis nyob deb li cas.

Tsis tas li ntawd, cov kws tshawb fawb tau faib cov khoom li cas? Hauv biology, tag nrho cov kab mob muaj sia nyob cais raws li yim yam sib txawv. Cov no yog: Domain, Kingdom, Phylum, Class, Order, Family, Genus, thiab Hom.

Yog li ntawd, ob qho laj thawj dab tsi uas cov kws tshawb fawb cais cov kab mob uas muaj sia nyob siv kev sau se?

Nyob tej yam uas koom rau hauv tej pawg muaj tej yam zoo sib xws. txawv cov kws tshawb fawb siv ntau yam systems kev faib tawm npaj tag nrho nyob yam rau hauv pab pawg. Zuag qhia tag nrho, yog vim li cas cov kws tshawb fawb cais kev nyob yam yog kom nkag siab txog kev sib raug zoo ntawm kev sib txawv kab mob.

Kev faib tawm yog dab tsi?

A kev faib tawm yog ib tug faib los yog qeb nyob rau hauv ib tug system uas faib tej yam rau hauv pawg los yog hom. Tsoom fwv siv a kev faib tawm system uas muaj xws li haiv neeg thiab haiv neeg.

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