History > EXAM > Dinosaurs: Exam 1 2022 with COMPLETE SOLUTION (All)

Dinosaurs: Exam 1 2022 with COMPLETE SOLUTION

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What were the first dinosaurs described in Europe? In North America? Who described them? - ✔✔Megalosaurus (British, Buckland); Iguanadon (British; Mantell); Hylaeosaurus (British; Mantell); De... inodon (American, Leidy); Trachodon (American, Leidy); Hadrosaurus (American; Leidy) Who introduced the term Dinosauria and what does it mean? - ✔✔The term "Dinosauria" was invented by Sir Richard Owen in 1842 to describe these "fearfully great reptiles," specifically Megalosaurus, Iguanodon, and Hylaeosaurus, the only three dinosaurs known at the time. Dinosauria is a clade that contains triceratops + birds and their most immediate common ancestor What was the basis of the Owen-Hawkins dinosaur sculptures? - ✔✔The basis was that dinosaurs were dim-witted reptiles and they were slow moving and not agile. How did the "great dinosaur rush" influence scientific understanding of dinosaurs? - ✔✔Many new dinosaur fossils were found. As a result, dinosaurs started being viewed as not so large and brutal. What was the turn-of-the-century scientific image of dinosaurs, and why did that image remain unchanged until the 1970s? - ✔✔Multiple skeletons allowed for accurate upright postures and body shapes of dinosaurs. For the most part the reptile images remained. How did the two great dinosaur-collecting expeditions of the first half of this century contribute to our knowledge of dinosaurs? - ✔✔The first expedition in Tanzania, Africa demonstrated larger geographical distribution than previously anticipated across other parts of the world outside of Europe and Western North America. The second expedition confirmed that in the Central Asiatic Expeditions, discovering many new types of dinosaurs and new information about dinosaur biology [Show More]

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