Puas yog zebras dub nrog kab dawb?

Cov txheej txheem:

Puas yog zebras dub nrog kab dawb?
Puas yog zebras dub nrog kab dawb?

Video: Puas yog zebras dub nrog kab dawb?

Video: Puas yog zebras dub nrog kab dawb?
Video: Yasmi - Txiv Nraug Ntsuag ft. JN Vang (Music Video) 2024, Hlis ntuj nqeg
Anonim

Zebras yog feem ntau xav tias yuav muaj cov tsho dawb nrog cov xim dub (qee zaum xim av) kab txaijYog vim tias yog koj saib cov zebras feem ntau, cov kab txaij xaus ntawm lawv lub plab thiab mus rau sab hauv. ob txhais ceg, thiab tus so yog dawb. … Thiab raws li nws hloov tawm, zebras muaj tawv dub hauv qab lawv cov plaub hau.

Yuav ua li cas xim zebra tsis muaj kab txaij?

Vim tias cov kab txaij dawb tsuas yog tshwm sim vim tias cov xim tsis pom zoo, black yog to taub tias yog "default" xim ntawm tus zebra. Hauv qab ntawm tag nrho cov plaub, zebras muaj tawv tawv dub, ib yam nkaus. Ib tug shaved zebra, tsis muaj kab txaij, yuav luag tsis paub tias yog ib tug tsiaj dub tag nrho.

Vim li cas nees txaij lub cev yog kab txaij dub thiab dawb?

Lub tswv yim tseem ceeb yog cov kab txaij dub yuav nqus cua sov thaum sawv ntxov thiab sov cov nees txaij, qhov kab txaij dawb pom lub teeb ntau dua thiab tuaj yeem pab txias zeb zeb thaum lawv graze ntau teev hauv lub hnub ci ntsa iab.

Zeb tawv tawv dub lossis dawb?

Piv txwv li, zebra tawv nqaij yog xim dub hauv qab lawv cov tsho dub-thiab-dawb kab txaij Giraffe daim tawv nqaij yog lub teeb ci tsis zoo uas zoo ib yam li xim ntawm nws lub tsho, thiab nws Cov qauv tsis pom, Mads Bertelsen, tus kws tshawb fawb cov ntaub ntawv ntawm Denmark's Copenhagen University, hais hauv email. (Nyeem vim li cas zebras muaj kab txaij.)

xub zebra shaved yog xim dab tsi?

Yog koj yuav chais ib tug nees txaij liab qab ntawm lub taub hau mus rau hoof, koj yuav pom tias lawv tawv nqaij dub. Cov kab txaij ua raws li kev camouflage mechanism.

Pom zoo: