Monotremes nyob qhov twg?

Cov txheej txheem:

Monotremes nyob qhov twg?
Monotremes nyob qhov twg?

Video: Monotremes nyob qhov twg?

Video: Monotremes nyob qhov twg?
Video: David Yang - Koj Nyob Qhov Twg Ft. Hands Band (Prod. By Lytos) 2024, Hlis ntuj nqeg
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Cov piv txwv nkaus xwb ntawm monotremes yog tag nrho cov hauv paus txawm rau Australia thiab New Guinea Txawm hais tias muaj pov thawj tias lawv tau nthuav dav ntxiv nrog rau qee hom tsiaj hauv South America. Cov hom monotreme uas tseem tshuav yog platypus thiab plaub hom echidnas.

Vim li cas monotremes tsuas pom hauv Australia?

Vim li cas monotremes, cov tsiaj txhu uas ntev qe ntau dua yug me nyuam yaus, tsuas pom nyob rau thaj tsam cais ntawm Australia thiab New Guinea? Nws yog kev cais ntawm thaj av no uas yog qhov tseem ceeb. 200 lab xyoo dhau los, Australia tau nyob ntawm thaj chaw deb ntawm Pangaea, qhov kawg supercontinent (Daim duab 10.3. 1).

Puas tag nrho cov monotremes nyob hauv Australia?

Tam sis Hnub no tsis muaj monotremes nyob sab nraud ntawm Australia (thiab New Guinea), thiab tsis muaj cov tsiaj nyeg uas tsis ya lossis ua luam dej nyob ntawd - piv txwv li, puav lossis dugongs-muaj nyob. nyob rau teb chaws Australia tsuas yog cov nas (uas tuaj txog tsuas yog tsib lab xyoo dhau los) thiab cov tsiaj txhu uas tau qhia los ntawm tib neeg (uas tuaj txog 60,000 xyoo dhau los).

Puas qaib monotremes?

Monotreme Reproduction

Qhov sib txawv loj tshaj yog tias lawv ntev qe es tsis yug me nyuam. Cov qe yog tawv zoo li ntau lub qe tsiaj reptile, tsis yog nkig, zoo li cov qe ntawm qaib thiab lwm cov noog. … Monotremes tsim cov mis nyuj rau lawv cov menyuam ib yam li lwm yam tsiaj, tab sis lawv tsis muaj mis.

Ob tug tsiaj Australian twg yog tsiaj txhu?

Echidnas thiab platypuses yog tib qho tseem muaj sia nyob monotremes (qe-ntev mammals) hauv ntiaj teb.

Pom zoo: