Logically,Pterosauriayog thawj hom tsiaj nyob rau hauv keeb kwm uas muaj peev xwm ya dawb saum ntuj.Thiab tom qab cov noog tshwm sim, zoo li tsim nyog tias Pterosauria yog cov poj koob yawm txwv ntawm cov noog.Txawm li cas los xij, Pterosauria tsis yog poj koob yawm txwv ntawm cov noog niaj hnub!
Ua ntej tshaj plaws, cia peb paub meej tias qhov tseem ceeb tshaj plaws ntawm cov noog yog kom muaj tis tis, tsis tuaj yeem ya!Pterosaur, tseem hu ua Pterosauria, yog cov tsiaj reptile uas ploj lawm uas nyob los ntawm Late Triassic mus rau qhov kawg ntawm Cretaceous.Txawm hais tias nws muaj cov yam ntxwv ntawm ya uas zoo ib yam li cov noog, lawv tsis muaj plaub.Tsis tas li ntawd, Pterosauria thiab noog tau koom nrog ob lub tshuab sib txawv hauv cov txheej txheem ntawm evolution.Txawm lawv tsim los li cas, Pterosauria tsis tuaj yeem hloov mus rau hauv cov noog, cia nyob ib leeg cov poj koob yawm txwv ntawm cov noog.
Yog li ntawd cov noog tau hloov zuj zus los ntawm qhov twg?Tam sim no tsis muaj lus teb meej hauv zej zog kev tshawb fawb.Peb tsuas paub tias Archeopteryx yog cov noog ntxov tshaj plaws uas peb paub, thiab lawv tau tshwm sim nyob rau lub sijhawm Jurassic lig, nyob rau tib lub sijhawm li cov dinosaurs, yog li nws tsim nyog hais tias Archeopteryx yog cov poj koob yawm txwv ntawm cov noog niaj hnub no.
Nws yog ib qho nyuaj rau tsim cov noog fossils, uas ua rau kev kawm ntawm cov noog thaum ub tseem nyuaj dua.Cov kws tshawb fawb tsuas tuaj yeem kos cov qauv ntawm cov noog thaum ub raws li cov lus qhia tsis sib xws, tab sis lub ntuj qub tiag tiag yuav txawv ntawm peb qhov kev xav, koj xav li cas?
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Post lub sij hawm: Sep-29-2021