Kev hloov pauv ntawm lub qe amniote feem ntau suav tias yog lub sijhawm tseem ceeb hauv keeb kwm ntawm cov vertebrates, ib qho kev tsim kho tshiab uas ua tiav qhov kev hloov ntawm cov dej mus rau tag nrho cov hav zoov hav zoov los ntawm kev tso qe yuav tsum tau pw deb ntawm cov dej sawv ntsug. … Qhov tseeb tiag Av tej zaum yuav yog qhov chaw yooj yim rau nteg qe dua dej.
Vim li cas lub qe amniotic thiaj tseem ceeb?
Lub qe amniotic yog an evolutionary invention uas tso cai rau thawj cov tsiaj reptiles los colonize qhuav av ntau tshaj 300 lab xyoo dhau los. Tsis pub dhau lub chorion yog amnion, daim nyias nyias uas lub qe amniotic muaj npe. … Lub amnion ua rau lub embryo kom qhuav, yog li nws tseem ceeb heev rau kev nyob hauv av.
Qhov tseem ceeb ntawm lub qe amniotic rau kev tsim tawm hauv av yog dab tsi?
Lub amnion yog ib qho tseem ceeb sib txawv nyob rau hauv vertebrates uas tso cai rau cov embryo kom ciaj sia tawm ntawm dej. Qhov no tau ua kom cov amniotes rov tsim dua hauv av thiab yog li txav mus rau hauv ib puag ncig qhuav-dawb ntawm qhov xav tau rov qab mus rau dej rau kev yug me nyuam li amphibians.
Vim li cas lub qe amniotic suav tias yog ib qho tseem ceeb ntawm kev hloov pauv tshiab?
Vim li cas lub qe amniotic suav tias yog qhov kev hloov pauv hloov tshiab tseem ceeb? nws ua rau muaj kev pheej hmoo ntawm kev ciaj sia ntawm cov qe hauv thaj av av. … lub qe, vim lub qe amniotic hloov zuj zus ua ntej thawj noog.
Lub hom phiaj ntawm 4 lub qe ntawm ib lub qe yog dab tsi?
Inside lub qe yog ibseries ntawm cov kua dej puv daim nyias nyias uas tso cai rau lub embryo kom ciaj sia: amnion, allantois, yolk sac, thiab chorion. Ib puag ncig thiab tiv thaiv lub embryo yog lub amnion, ntim nrog amniotic kua, thiab muab lub embryo nrog ib tug ruaj khov kua ib puag ncig.
