Cov nroj tsuag zoo li no tau tshwm sim thawj zaug 280 lab xyoo dhau los, thaum lub sijhawm Permian, thiab tejzaum nws ua ntej, tab sis lawv yeej coj tawm thaum lub sijhawm kav ntawm dinosaurs qee qhov 30 lab xyoo tom qab.
Yuav ua li cas cov ntoo nyob ib puag ncig nrog cov dinosaurs?
Conifers yog tej zaum cov zaub mov tseem ceeb rau dinosaurs, suav nrog cov sauropods loj. Mesozoic Era conifers suav nrog redwoods, yews, pines, tsob ntoo liab puzzle (Araucaria), cypress, Pseudofrenelopsis (a Cheirolepidiacean).
Pib tsob ntoo puas muaj thaum lub sijhawm dinosaurs?
Raws li cov kws tshawb fawb txog tsiaj txhu los ntawm Fab Kis Lub Tsev Haujlwm rau Kev Tshawb Fawb Txog Kev Txhim Kho (IRD), hav zoov pib tsim ntau dua 100 lab xyoo dhau los, tsis ntev tom qab kev tuag ntawm cov dinosaurs. Muaj 2 500 hom xibtes uas 90% raug txwv rau TRFs. …
Cov nroj tsuag twg nyob ib puag ncig thaum lub sijhawm Jurassic?
Xwb, ferns, ginkgoes, bennettitaleans lossis "cycadeoids", thiab cov cycads tseeb - zoo li cov cycad nyob hauv daim duab saum toj no - vam meej hauv Jurassic. Conifers kuj tseem muaj, suav nrog cov txheeb ze ntawm cov ntoo liab, cypresses, ntoo thuv, thiab yews.
tsob ntoo twg laus npaum li lub sijhawm dinosaurs?
Ginkgo biloba yog ib hom ntoo qub tshaj plaws nyob hauv ntiaj teb. Nws yog ib leeg muaj txoj sia nyob ntawm ib pawg ntoo qub uas rov qab mus ua ntej dinosaurs roamed lub ntiaj teb - creatures uas nyob nruab nrab ntawm 245 thiab 66 lab xyoo dhau los. Nws yog ib qho qub heev, cov hom hu ua 'fossil nyob'.
