GLY1102 Topic 21
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Dinosaurs inhabited all continents
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True
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The name \"Ceratosauria\" means horned lizard
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True
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There is some evidence that raptors were pack hunters.
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True
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Tyrannosaurus evolved only a few million years prior to the extinction of dinosaurs.
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True
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To John Ostrom, the anatomy of Deinonychus was one of an agile, active and intelligent hunter, and thus he began a re-evaluation of the nature of dinosaur behavior and metabolism that continues to today.
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True
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This theropod has only two digits on the manus.
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Tyrannosaurus
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Dromaeosaurus or raptors diversified during this period.
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Cretaceous
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Ornithomimosaurus had no teeth and is known as the \"bird mimic lizard\".
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True
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Theropods had the largest brain (relative to body size) among dinosaurs.
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True
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The Ghost Ranch video was taken at the quarry where this dinosaur was found.
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Ceolophysis
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Coelurosaurs have a greater heightening of the ascending process of the astragalus, a splint of bone that originates at the main articulating joint of the astragalus and covering the lower quarter of the shin (tibia).
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True
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The signature characteristic of _____________ is that it has extremely long neural spines (43 cm, 17 in) along the top of the vertebrate of the back, hips, and tail.
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Acrocanthosaurus
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Velociraptor had an elongated skull, a flat nose and long, functional arms.
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True
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The head of Ceolophysis is crowned with two bony crests that give it its name (two-crest).
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False
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Which of the following features is true about theropods?
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All are true (their teeth were generally sharp, large, serrated, and recurved; they have hollow bones; they have claws on all fingers and toes; their tail was stiff and acted as a body balance)
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Allosaurus has a distinctive ridge above and in front of eyes.
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True
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Dromaeosaurs have an enlarged second toe-claw on each foot that it used in making slashing attacks.
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True
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Tetanurae were the most primitive theropods.
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False
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Carcharodontosaurus has extremely long neural spines along the top vertebrate of the back, hips, and tail.
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False
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Theropods have solid bones.
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False
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This South American country has been the site of the most exciting new large dinosaur finds:
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Argentina
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Which of these dinosaurs was not living during the Late Cretaceous?
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Coelophysis
