Scientists believe that the earliest dinosaurs 230 million years ago in the earth in 翻译结果5复制译文编辑译文朗读译文返回顶部 The scientist thinks the earliest dinosaur in 230,000,000 years setting out now on the Earth 相关内容 a本协议经双方签字生效。 正在翻译,请等待... [translate] a我相信你...
aWhen when the earliest humans appeared on Earth, dinosaurs have been extinct for tens of thousands of years! People are discovered through fossil dinosaur. 当,当最早期的人在地球上出现,恐龙是绝种成千上万年! 人们通过化石恐龙被发现。[translate]...
Where were dinosaurs first discovered? What was the oldest dinosaur? What is the oldest dinosaur fossil? What was the first dinosaur on Earth? What famous carnivorous dinosaur lived in the late Jurassic Period? What is the smallest dinosaur fossil ever found? What is the oldest dinosaur found ...
求翻译:When the earliest humans appeared on Earth, dinosaurs have been extinct for tens of thousands of years! People are discovered through fossil dinosaur.是什么意思?待解决 悬赏分:1 - 离问题结束还有 When the earliest humans appeared on Earth, dinosaurs have been extinct for tens of thousands ...
The species became common more than 100 million years before dinosaurs existed. The density of carbon dioxide in the air dropped at that time, allowing tetrapod vertebrates to transition to living on land. The scientists found that the early tree trunks were composed of numerous individual strands...
These traces constitute the earliest known evidence of dinosaurs in this region of Central Gondwana.doi:10.1016/S0899-5362(97)83515-4M.A. RaathJournal of African Earth SciencesRaath MA. 1996. Earliest evidence of dinosaurs from central Gondwana. Mem Queensl Mus. 39:703-709....
What did the first organisms on Earth feed on?What do all plants have that all animals do not have ?Which were Earth's first organisms?Which type of plant began to flourish at approximately the same time that mammals began to fill niches left empty by the extinction of the dinosaurs? a....
dinosaurs恐龙;C. dragons龙;D. lizards蜥蜴。根据上文“Standing at about the height of a 10-year-old child, and 1.5 metres in length with a long thin tail, Thecodontosaurus(槽齿龙)roamed the earth during the Triassic Period.(槽齿龙身高像10岁儿童一样身长约为1.5米,尾巴细长,在三叠纪时期的地球...
Pterosaurs, the first vertebrates to evolve active flight, lived between 210 and 66 million years ago. They were important components of Mesozoic ecosystems, and reconstructing pterosaur diets is vital for understanding their origins, their roles within
Scientists at Edinburgh University think they may have discovered one of the first complex animals to have ever lived on Earth. Their find shows that these creatures lived millions of years earlier than previously thought. Fossilsof the teeny marine animal, known asNamacalathus hermanastes, were fo...