Formation, Story
Ma taqaan waxa uu yahay xayawaan qiroweyn ugu weyn dunida?
Muddo dheer saynisyahano ayaa shaki sida waxa xayawaan qiroweyn ugu weyn dunida oo dhan. Waxaa la rumeysan yahay in xayawaanka ugu weyn - waxaa Titanosaurs. Si kastaba ha ahaatee, wakhtiga iyo daahfurtay dhacay u caddaatay in tani ma aha sidaas. Waqtigan xaadirka ah, ee dinosaurs adduunka ugu weyn - waxaa diplodokidy. Waxaa loo riixay galay booska uu ka titanosaur, gigantozavrov iyo tyrannosaurs, kuwaasi oo ay horay u aqoonsaday ugu weyn.
Cilmi gabagabeeyey in kuwan xayawaanka toosaa deggan yahay dhulka 160 milyan oo sano ka hor inta lagu jiro xilligii Mesozoic. eynu ee dinosaurs - waa qayb ka mid ah "eynu weyn" marka dunida la waayay wax badan oo kala duwan, xamaarato duulaya, shellfish, xamaarato badda iyo kuwa kale.
The ugu horeysay - oo ugu weyn - xayawaan qiroweyn ee dunida, ama halkii, hadhaagii uu helay 1815 ee Stounsfilde, in Oxfordshire. Sida laga soo xigtay saynisyahano helay jajabkii ka daanka iyo lafaha iska lahaa a qorratada ugaadhsiga badan Sauria. Sidaas waxa sheegay in 1824 at shirka, kaas oo la qabtay Geological Royal Society, professor of cilmi dhul ka dhiga jaamacadda Oxford.
Tan iyo sannadkii 2007, waxa la filayay, in xayawaan qiroweyn ugu weyn dunida oo dhan - (. Latin Futalognkosaurus) futalognkosaurus. The hadhaagii yaxaas ayaa la helay ka dib markii ku dhawaad laba qarni ka dib markii la ogaaday of xayawaan qiroweyn ugu horeysay ee 2007, ee Argentina, ee gobolka Neuquén. Sida by paleontologists soo jeediyay, waxaa loola jeedaa koox ka mid ah titanosaurs. Ajnabiga, wuxuu ku socday Dhulka ku saabsan 85 milyan oo sano ka hor. Its magaca yimaado ka yimid labo eray, futa iyo lognko. ka afka oo ka mid ah Hindida, kuwaas oo dalka reer Chile iyo Argentina deggan yahay turjumay, waxay ka dhigan tahay "madax Rafaa." Sida laga soo xigtay fikrado ah aqoonyahaniinta, Rafaa gaaro dherer ah ay size in 34 mitir. Uu miisaanka ineey - oo ku saabsan 80 metrik.
Laakiin haddii aad weli amphicoelias jiraye, waa ma aha oo kaliya xayawaan qiroweyn ugu weyn dunida oo dhan, laakiin sidoo kale xayawaan la garanayo ee ugu weyn. Oo dhererkeedu wuxuu ahaa ku saabsan 40-60 mitir, oo miisaanka - ilaa 150 tons. From xogta kuwan, waxa ay u muuqataa in amphicoelias laba jeer waa dhererka nibiriga buluug ah oo muddo dheer ku dhowaad 10 mitir futalognkosaurus in ka hor waxa uu ahaa xayawaan qiroweyn ugu weyn.
Qubarada ma nasan on guulaheenna ay. Si aad u taariikhda, waxaan horey aragtida ah in ay jiraan kuwo dinosaurs weyn dheeraad ah. Tusaale ahaan, bruhathkayosaurus, kuwaas oo ku noolaa on Earth inta lagu jiro muddada Cretaceous.
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