Nrog rau lwm cov saurischian dinosaurs (xws li theropods, suav nrog cov noog), sauropods muaj cov hnab ntim huab cua, ua pov thawj los ntawm indentations thiab hollow kab noj hniav nyob rau hauv feem ntau ntawm lawv vertebrae uas tau invaded los ntawm lawv. Pneumatic, hollow pob txha yog cov yam ntxwv ntawm txhua tus sauropods.
Dinosaurs twg muaj pob txha hollow?
Tab sis cov kev tshawb fawb tau pom tias Allosaurus, ib qho tseem ceeb tshaj plaws theropod, kuj muaj cov pob txha hollow. Allosaurus yog ib tug tsiaj loj uas muaj caj npab me me, yog li nws tsis ya mus qhov twg-zoo li ntau lwm yam noog, cov pob txha hollow tshwm thaum ntxov ntawm tsob ntoo dinosaur.
Dab tsi yog qhov txawv ntawm sauropods thiab theropods?
Ob pawg sib txawv yog ib txwm muaj nyob rau hauv saurischians- tus Sauropodomorpha (herbivorous sauropods thiab prosauropods) thiab Theropoda (carnivorous dinosaurs). Cov pab pawg no tau muab tso ua ke los ntawm kev sib koom ua ke ntawm cov yam ntxwv uas lawv qhia tshwj xeeb.
Puas yog avian dinosaurs puas muaj cov pob txha hollow?
Therapod dinosaurs (feem ntau ntawm cov nqaij bipedal noj dinosaurs, thiab noog) feem ntau muaj cov pob txha hollow. Koj tuaj yeem nyeem qee qhov thiab pom ib daim duab ntawm no. Sauropod dinosaurs kuj muaj qee qhov hollows hauv lawv cov pob txha, tshwj xeeb hauv cov vertebrae. Ornithischian dinosaurs, ntawm qhov tod tes, zoo li tsis muaj cov pob txha hollow.
Puas T Rex noj sauropods?
Tyrannosaurus yuav luag yeej preyed ntawm titanic sauropods … Txawm hais tias sauropods yog cov tseem ceeb herbivores nyob rau hauv North America thaum lub sij hawm lig Jurassic, thiab txawm tias ntau yam kev mob tshwm sim los ntawm Cretaceous thaum ntxov, tag nrho. pab pawg tau ploj mus los ntawm sab av loj txog 100 lab xyoo dhau los.