Dinosaurwaa magac wadareed oo loogu talagalay makhluuqyada habka guud ee dinosaurs (magaca sayniska:Dinosauria), koox ka mid ah xayawaannada dhulka kala duwan oo u muuqday Mesozoic Era, iyo sidoo kale paleontology ugu caansan ee baaxadda garashada aadanaha.Dinosaurs waa laf dhabarta ugu awoodda badan uguna barwaaqaysan xilligii Mesozoic ee taariikhda dhulka.Waxay markii ugu horreysay ka soo muuqdeen xilligii Triassic 230 milyan oo sano ka hor waxayna maamulayeen nidaamka deegaanka dhulka adduunka 100 milyan 400 milyan sanoJurassic iyo xilliyada Cretaceous.Kumanaan sano, oo cirka iyo badda cagta saaray. Dinosaursinta badan waxaa loo qaybiyaa laba qaybood: "non-viandinosaurs"iyo" Dinosaurs avian" Dhammaan kuwa aan aviyan ahayndiinosaurs, fasal-hoosaadyo-hoosaadka shimbiraha-diidka iyo fasal-hoosaadka fantail ee nooca shimbirahadinosaurswaxa uu ku dhintay dhacdadii dhamaadka-Cretaceous dhacdo dabar goynta ah (dinosaur mass extinction) oo dhacay 66 milyan oo sano ka hor, oo ka tagay oo kaliya dinosauryada nooca shimbiraha ahdinosaurs, Ornithidae wuu badbaaday, wuxuu u xuubsiibtay shimbiro wuxuuna ku barwaaqaysan yahay ilaa maantadan la joogo.
Xiriirka ka dhexeeya xamaaratada kale iyodinosaurs
Qaar badan oo xamaarato taariikhi ka hor ah ayaa inta badan si aan rasmi ahayn loo aqoonsaday inay yihiindinosaursdadweynaha guud, sida:Pterosaurs, Plesiosaurs, Mosasaurs, Ichthyosaurs, PelycosaursDimetrodoniyo Edaphosaurus), iwm, laakiin marka laga eego dhinaca sayniska adag ee aragtida Kuwani maahadinosaurs.Dinosaurs ayaa sidoo kale lagu khaldamay awoowayaasha qorraxdu iyoyaxaasdila, laakiin dhab ahaantii,dinosaursiyoyaxaaskau kobcay si is barbar socda, oo ay wax yar ka qabtaan qorratada.Taas bedelkeeda, shimbiraha casriga ah waxaa loo tixgelin karaa sidadinosaurs dhabta ahxagga cilmiga.
nala soo xidhiidh wixii macluumaad dheeraad ah
Waqtiga post: Seb-16-2022
