Cov txheej txheem:
- Pob ntses tau lawv lub sijhawm?
- Yim tsiaj twg tau lub caij nyoog?
- Dab puas muaj sij hawm?
- Cov qaib puas muaj lub caij nyoog?
![Pob nquab puas muaj poj ntxoog? Pob nquab puas muaj poj ntxoog?](https://i.boatexistence.com/preview/questions/18724681-do-catfish-have-a-menstruation-j.webp)
Video: Pob nquab puas muaj poj ntxoog?
![Video: Pob nquab puas muaj poj ntxoog? Video: Pob nquab puas muaj poj ntxoog?](https://i.ytimg.com/vi/IqsVl5ZNrAI/hqdefault.jpg)
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Catfish (Siluriformes) tsis muaj kev coj khaub ncaws Qhov tseeb, tsis muaj hom ntses hauv ntiaj teb! … Thiab raws li cov ntses tau tso lawv cov qe uas tsis muaj menyuam tso rau hauv dej, yeej tsis tas yuav muaj kev coj khaub ncaws uas yuav tsum tau tswj cov poj niam cov tshuaj hormones, tsev menyuam, lossis kev tso tawm sab hauv thiab kev taw qhia ntawm cov qe.
Pob ntses tau lawv lub sijhawm?
Ntses tsis muaj sij hawm Lawv muaj cov kab mob hauv nruab nrog cev thiab zes qe menyuam uas tsim cov qe tsis muaj menyuam ib xyoos ib zaug. Thaum cov qe tau matured, tus poj niam yuav eject lawv mus rau hauv dej rau sab nraud fertilization los ntawm tus txiv neej. Cov txheej txheem no, hu ua spawning, ua rau kev coj khaub ncaws hauv cov ntses tsis tsim nyog.
Yim tsiaj twg tau lub caij nyoog?
Tshaj primates, nws tsuas yog paub nyob rau hauv bats, ntxhw shrew, thiab spiny nasPoj niam ntawm lwm hom tsiaj ntawm placental mammal undergo estrous cycles, nyob rau hauv uas lub endometrium yog kiag li reabsorbed los ntawm tus tsiaj (covert menstruation) thaum kawg ntawm nws lub voj voog me nyuam.
Dab puas muaj sij hawm?
Cov dev yuav muaj lawv thawj estrous (kev yug me nyuam los yog cua sov) lub voj voog thaum lawv mus txog hnub nyoog laus Txhua lub voj voog muaj ntau theem; theem hu ua estrus yog hais txog thaum tus poj niam cev xeeb tub. Feem ntau tus dev uas nyob rau theem estrus yog hais tias nyob rau hauv tshav kub los yog nyob rau hauv lub caij.
Cov qaib puas muaj lub caij nyoog?
Ntawm no yog cov deets: Poj niam qaib muaj ib lub voj voog ncig uas tuaj yeem ua tau txhua hnub thaum lub sijhawm xyoo…. Cov yolk tsim qhov peb paub tias yog "qe dawb" thaum nws txav mus los ntawm kev ua me nyuam mus rau hauv lub plhaub qog.
Pom zoo:
Puas ntoo nquab nquab puas txaus ntshai?
![Puas ntoo nquab nquab puas txaus ntshai? Puas ntoo nquab nquab puas txaus ntshai?](https://i.boatexistence.com/preview/popular-questions/18688257-is-wood-pigeon-poop-dangerous.webp)
nqhis dej uas tsis tau ntxuav tuaj yeem ua rau muaj kev pheej hmoo ntawm kev noj qab haus huv, suav nrog ib qho ntawm cov kab mob hauv tib neeg: Cryptococcosis Cryptococcosis Cryptococcus (ob leeg C. neoformans thiab C. gattii) ua lub luag haujlwm hauv pulmonary invasive mycosis pom hauv cov neeg laus uas muaj HIV thiab lwm yam kev tiv thaiv kab mob.
Koj puas tuaj yeem sau nquab nquab?
![Koj puas tuaj yeem sau nquab nquab? Koj puas tuaj yeem sau nquab nquab?](https://i.boatexistence.com/preview/questions/18689108-can-you-spell-pigeon-pidgeon-j.webp)
Pidgeon is a surname from an archaic spelling of nquab . Thaum twg tus ntawv tus nquab hloov pauv? Pigeon Lus Askiv tau hais hauv Suav teb xyoo 1859 txhawm rau sib txuas lus nrog cov neeg European. Cov ntawv sau tau hloov pauv mus rau Pidgin English hauv 1876 .
Cov pob txha pob txha pob txha muaj li cas ntawm pob txha mos elastic?
![Cov pob txha pob txha pob txha muaj li cas ntawm pob txha mos elastic? Cov pob txha pob txha pob txha muaj li cas ntawm pob txha mos elastic?](https://i.boatexistence.com/preview/questions/18702606-what-laryngeal-cartilage-is-composed-of-elastic-cartilage-j.webp)
Tsis zoo li cov pob txha mos thiab cov thyroid caj pas, uas muaj cov pob txha mos hyaline hyaline pob txha mos Abstract. Hyaline pob txha mos muaj nyob rau hauv synovial pob qij txha thiab pab txoj kev txav ntawm cov pob qij txha Nws yog tsim los ntawm chondrocytes thiab extracellular matrix.
Puas yog nquab nquab quaj?
![Puas yog nquab nquab quaj? Puas yog nquab nquab quaj?](https://i.boatexistence.com/preview/questions/18706194-are-mourning-doves-pigeons-j.webp)
Puas yog nquab quaj ntsuag ntsig txog nquab thiab tej zaum txawm yog ib hom nquab? … Lawv yeej yog " pob zeb nquab, " cov tsiaj nyaum zoo nrog cov kab lus nthuav dav. "Mourning Doves thiab Rock Doves - lossis Rock Pigeons - yog cov tswv cuab ntawm tsev neeg nquab Columbidae,"
Puas yog cov nquab nquab tau noj cov kab nqos?
![Puas yog cov nquab nquab tau noj cov kab nqos? Puas yog cov nquab nquab tau noj cov kab nqos?](https://i.boatexistence.com/preview/questions/18743308-did-the-cane-toads-eat-the-cane-beetles-j.webp)
Raws li ub li no, cov kwj deg dhia tsis tau siab heev, tsuas yog kwv yees li ob ko taw xwb, yog li lawv tsis tau noj cov kab no uas feem ntau nyob rau sab sauv. ntawm cane plant. … Thiab vim hais tias cov nquab muaj tshuaj lom, lawv tau pib tua cov tsiaj nyeg.