Cov txheej txheem:
- 3 tus tsiaj uas nteg qe yog dab tsi?
- Tus yam ntxwv ntawm Prototheria yog dab tsi?
- Puas yog Prototherians Ovoviviparous?
- Puas Prototherians muaj placenta?
Video: Puas prototherians nteg qe?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Prototheriaegg- ntev mammals.
3 tus tsiaj uas nteg qe yog dab tsi?
Peb pawg no yog monotres, marsupials, thiab pawg loj tshaj plaws, cov tsiaj hauv plab. Monotremes yog cov tsiaj uas nteg qe. Tib qho monotremes uas muaj sia nyob niaj hnub no yog spiny anteater, lossis echidna, thiab platypus. Lawv nyob hauv Australia, Tasmania, thiab New Guinea.
Tus yam ntxwv ntawm Prototheria yog dab tsi?
Subclass Prototheria Primitive; qe-ntev; plaub hau; cov qog mammary tsis muaj txiv mis; pectoral hlua; cais oviducts uas qhib rau hauv cloacal chamber uas koom nrog excretory ducts; oviparous.
Puas yog Prototherians Ovoviviparous?
chav Mammalia tau muab faib ua subclass Prototheria, Metatheria, thiab Eutheria. … Cov lus teb tiav: Eutherian mammals yog viviparous tsiaj, uas tus me nyuam hauv plab loj hlob nyob rau hauv lub tsev menyuam ntawm leej niam.
Puas Prototherians muaj placenta?
Prototheria yog ib pawg subclass uas muaj qe-ntev cov tsiaj yug tsiaj. … Yog li, qhov no yog qhov sib txawv tseem ceeb ntawm Prototheria Metatheria thiab Eutheria. Tsis tas li ntawd, cov tsiaj nyeg hauv Prototheria tsis muaj qhov placenta tiag tiagthaum cov tsiaj hauv Metatheria muaj cov placenta yooj yim thiab cov tsiaj hauv Eutheria muaj cov placenta tseeb thiab complex.
Pom zoo:
Puas echidnas nteg qe?
5. Lawv nteg qe. Nrog rau cov platypus, lub echidna tsuas yog lwm hom tsiaj uas muaj sia nyob qe-tso tsiaj. Yuav luag ib hlis tom qab mating, tus poj niam tso ib leeg, mos-shelled, leathery qe rau hauv nws lub hnab . 3 tus tsiaj uas nteg qe yog dab tsi?
Puas mermaids nteg qe?
Txhua yam koj paub, mermaids tsim ntau pua lossis ntau txhiab lub qe me, zoo li qav lossis ntses. Cov tub ntxhais hluas hatched mus dhau ntau lub neej voj voog, thaum kawg ua ib yam dab tsi zoo li lawv daim ntawv kawg . Yuav ua li cas mermaids reproduce?
Puas cockerels nteg qe?
' Mambila: 'Au yog, cockerels nteg qe, tab sis me me Koj noj tau yog tias koj nyiam, tab sis koj yuav tsum ua li cas yog xaws ib lub tawb me me, muab tso rau. lub qe nyob rau hauv nws thiab ces dai lub pob tawb ntawm ib qho kev sib tshuam. Tom qab ntawd koj cov qaib yuav loj hlob zoo thiab rog thiab tsis tuag thiab lawv yuav nteg qe ntau.
Puas edgars ua nteg byes?
Hi ! Puas yog Edgar's ua laybuy? Nyob zoo Mpempe, koj tuaj yeem tso cov khoom lag luam ntau dua peb lub hlis ntawm cov khw muag khoom Edgars xaiv. Koj tuaj yeem them qhov no sai dua li peb lub hlis yog tias koj muaj peev xwm, tab sis tsis tuaj yeem ncua ntev li peb lub hlis .
Puas qaib puas tau nteg qe?
No, nws tsis yog lub cev lossis lub cev ua rau tus txiv neej qaib nteg qe. Hes (poj niam qaib) nteg qe, thiab roosters (txiv neej qaib) fertilize qe . Yuav ua li cas qaib puas tau nteg qe? Zoo, cov lus teb yog” tsis yog, lawv nteg qe tsis tau” Yog vim li cas lawv tsis muaj lub cev uas txhawb nqa txoj haujlwm no.
