Cov noog puas suav tias yog dinosaurs?

Cov txheej txheem:

Cov noog puas suav tias yog dinosaurs?
Cov noog puas suav tias yog dinosaurs?

Video: Cov noog puas suav tias yog dinosaurs?

Video: Cov noog puas suav tias yog dinosaurs?
Video: xum yog tus maiv siab dawb/ Maiv thoj/ nkauj taw. tshiab 2023 2024, Kaum ib hlis
Anonim

Nyob rau hauv qhov kev pom ntawm feem ntau paleontologists niaj hnub no, noog yog nyob dinosaurs. Hauv lwm lo lus, cov yam ntxwv uas peb lees txais raws li kev txhais cov noog - cov yam ntxwv ntawm lub cev tseem ceeb nrog rau kev coj tus cwj pwm suav nrog kev ua zes thiab brooding - tau tshwm sim thawj zaug hauv qee qhov dinosaurs.

Puas yog noog dinosaurs Vim li cas ho tsis?

Tib neeg feem ntau hais tias noog muaj feem rau dinosaurs, tab sis qhov tsis muaj tseeb - noog tsis cuam tshuam nrog dinosaurs… lawv yog dinosaurs! Kwv yees li 65 lab xyoo dhau los, kev ploj tuag loj heev tau tshem tawm txhua pawg dinosaur tshwj tsis yog rau ib pawg. Pab pawg dinosaurs tau dhau los ua cov noog uas peb pom niaj hnub no.

Vim li cas tib neeg xav tias noog yog dinosaurs?

Hnub no cov kws tshawb fawb txog biologists xav tias noog yog dinosaurs, txhais tau hais tias, yog muaj tseeb, cov dinosaurs tsis tau ploj mus tag nrho … Los ntawm tam sim no, feem ntau biologists pom zoo noog yog dinosaurs-uas lawv hloov zuj zus los ntawm ib pab pawg neeg ntawm maniraptoran theropods qee zaum nyob rau hauv Jurassic Period (kwv yees li 150 lab xyoo dhau los).

Vim li cas cov noog tsis hloov zuj zus los ntawm dinosaurs?

Theropod hypothesis ntawm noog keeb kwm tsis tau lees paub thoob ntiaj teb. Qee cov kws kho mob thiab cov kws kho tsiaj paleontologists sib cav tias theropods tsis tuaj yeem ua poj koob yawm txwv rau cov noog vim tias lawv tsis ua raws, hauv lub cev lossis kev ua neej, rau cov poj koob yawm txwv noog tiag tiag li kev xavlos ntawm cov kws tshawb fawb no.

Puas yog sharks dinosaurs?

Hnub no cov sharks yog descended los ntawm cov txheeb ze uas ua luam dej nrog dinosaurs nyob rau hauv prehistoric lub sij hawm. … Nws nyob tom qab cov dinosaurs, 23 lab xyoo dhau los, thiab tsuas yog ploj mus 2.6 lab xyoo dhau los.

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