Raws li lub hnub nyoog ntawm cov pob txha, pab pawg tshawb fawb kwv yees tias cov poj koob yawm txwv ntawm txhua tus primates - ib pab pawg uas suav nrog hnub no cov lemurs thiab liab - yuav tshwm sim los ntawm Late Cretaceous thiab nyob nrog cov dinosaurs loj.
Dinosaurs ciaj sia dab tsi?
Duck-Billed Platypuses Tus duck-billed platypus yog ib qho ntawm ob hom tseem tshuav ntawm monotreme (qe-ntev mammals), ib pab pawg uas hnub rov qab 210 lab xyoo dhau los rau lub sijhawm Triassic. Xyoo 2008, cov kws tshawb fawb pom tias cov platypuses tau nyob tiag tiag thaum lub sijhawm Jurassic.
Dab tsi tseem ciaj sia los ntawm dinosaurs?
Lwm dua cov noog, txawm li cas los xij, tsis muaj pov thawj tshawb fawb pom tias ib qho dinosaurs, xws li Tyrannosaurus, Velociraptor, Apatosaurus, Stegosaurus, lossis Triceratops, tseem muaj sia nyob. Cov no, thiab tag nrho lwm yam uas tsis yog avian dinosaurs tau ploj mus yam tsawg 65 lab xyoo dhau los thaum kawg ntawm Cretaceous Lub Sijhawm.
Yuav ua li cas primates nyob nrog dinosaurs?
Raws li lub hnub nyoog ntawm cov pob txha, pab pawg kwv yees tias cov poj koob yawm txwv ntawm txhua tus primates-xws li plesiadapiforms thiab niaj hnub primates xws li lemurs, liab, thiab apes-zoo li tshwm sim los ntawm Lub lig Cretaceous thiab nyob nrog cov loj dinosaurs.
Pob cov tsiaj txhu nyob nrog dinosaurs?
Mammals thawj zaug tshwm sim tsawg kawg 178 lab xyoo dhau los, thiab scampered ntawm cov dinosaurs mus txog thaumFeem ntau ntawm cov tsiaj nyaum, tshwj tsis yog cov noog, raug tshem tawm 66 lab xyoo dhau los. … Cov tsiaj no kuj tau hloov mus rau ntau qhov kev noj haus, ntau yam ntau dua li qhov kev xav yav dhau los.
