Cov dinosaurs thaum ntxov uas sauropods hloov zuj zus los ntawm yog me me thiab taug kev ntawm ob txhais ceg, nrog cov tails ntev, lub hauv siab me me thiab cov forelimbs me. Pab neeg no kwv yees tias lub cev zoo li no ua rau lawv qhov hnyav ze rau lub duav sib koom ua ke, uas yuav pab tau lawv sib npaug thaum taug kev bipedally ntawm lawv ob txhais ceg.
Dab tsi hloov zuj zus los ntawm sauropods?
Sauropods thiab theropods yog saurischian dinosaurs. Cov sauropods hloov mus ua ntau pawg loj: Cetiosauridae, Brachiosauridae (xws li Brachiosaurus), Camarasauridae (xws li Camarasaurus), Diplodocidae (xws li Diplodocus thiab Apatosaurus), thiab Titanosauridae
Sauropods hloov zuj zus hnub no yog dab tsi?
Yav dhau los, qhov loj me tau kwv yees nyob rau hauv cov tuag dinosaurs los ntawm kev siv proxies, xws li qhov ntev ntawm lub femur lossis tag nrho ntev ntawm lub cev. Los ntawm qhov no, peb feem ntau paub tias sauropods hloov zuj zus los ntawm cov tsiaj me, bipedal mus rau quadrupedal titans peb tej zaum paub zoo tshaj.
Cov nroj tsuag twg yog qhov tseem ceeb ntawm sauropod evolution?
Tshwj xeeb, ib pawg ntawm cov ntoo hu ua the Araucariaceaethiab nrov npe hu ua liab puzzles yog thawj cov conifers los tsim loj, tiv thaiv zoo, thiab cov ntoo no muaj tau raug suav hais tias yog ib qho khoom noj tseem ceeb rau cov loj sauropod dinosaurs uas loj hlob nyob rau lub sijhawm no.
Sauropods hloov zuj zus los ntawm bipedal dinosaurs li cas?
Sauropodsevolved los ntawm qee yam ntawm prosauropods (ntau dua 'basal sauropodomorphs') hauv Late Triassic. Prosauropods, zoo li tag nrho cov basal dinosaurs, Ameslikas taug kev ntawm lawv ob txhais ceg nkaus xwb (bipedal), thiab lub hauv paus chiv keeb ntawm sauropods yog li entailed kev hloov ntawm ib tug bipedal gait mus rau ib tug quadrupedal gait.
