gly 1102 topic 21, gly 1102 topic 22, gly 1102 topic 23

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The head of Coelophysis is crowned with 2 bony crests that give it its name (2 crest).
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false
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Dinosaurs inhabited all continents.
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true
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This theropod has only 2 digits on the manus.
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tyrannosaurus
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Theropods had the largest brain (relative to body size) among dinosaurs.
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true
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Allosaurus has a distinctive ridge above and in front of the eyes.
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true
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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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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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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 name "Ceratosauria" means horned lizard.
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true
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Theropods have solid bones.
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false
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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 reevaluation of the nature of dinosaur behavior and metabolism that continues to today.
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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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which of the following is true about theropods
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(all of the above.)They have hollow bones. Their tail was stiff and acted as a body balance. They have claws on all fingers and toes. Their teeth (most of them) were generally sharp, large, serrated, and recurved.
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Tyrannosaurus evolved only a few million years before the extinction of the dinosaurs.
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true
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Carcharodontosaurus has extremely long neural spines along the top of the vertebrate of the back, hips, and tail.
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false
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Tetanurae were the most primitive theropods.
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false
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Dromaeosaurs or raptors diversified during this period.
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Cretaceous
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The signiture characteristic of (blank) is that it has extremely long neural spines (43 cm, 17 inches) along the top of the vertebrate of the back, hips, and tail.
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Acrocanthosaurus
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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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The Ghost Ranch video was taken in the quarry where this dinosaur is found.
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Coelophysis
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The Sauropoda were all bipedal herbivores.
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false
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The Brachiosauridae have longer forelimbs than hind limbs.
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true
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The teeth of Apatosaurus are
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peg-like.
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Prosauropods and sauropods evolved from a common unknown ancestor.
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true
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Diplodocidae had relatively short tails.
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false
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This sauropod was the ultimate tree-top browser.
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Brachiosaurus
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Sauropod feet had big fleshy pads.
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true
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which of the following statements about the sauropoda is false?
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None of the above Have massive solid limbs. Most have lightly-built vertebrate with struts and buttresses and pleurocoels. they have 12 or more cervical vertebrate. They have 4 or more sacral vertebrate.
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The Titanosauridae were more common in the Gondwana (Southern) continents than in the Northern Hemisphere.
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true
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The Sauropoda are found on all continents except Antarctica.
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true
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Sauropods with a humerus-to-femur ratio of less than one have front limbs longer than hind limbs.
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false
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The humerus-to-femur ratio of the Diplodocidae is greater than 1.
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false
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The saurodmorpha evolved during the Early Triassic and survived to the end of the Cretaceous.
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false
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The maximum number of caudal vertebrae among the Diplodocidae is
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>70
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The Sauropoda is a small clade of plant-eaters containing no more than 10 genera.
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false
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Apatosaurus was formerly known as Brontosaurus (the latter is a jr. synonym.)
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true
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Which of these is not considered a prosauropod?
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apatosaurus (yes: plateosaurus, thecodontosaurus)
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Some sauropods significantly exceeded 100 ft in length.
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true
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_______ was a sauropod covered with a protective pavement of globular or button-like plates covering its back.
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Saltasaurus
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_________is the only sauropod found in North America above the "Sauropod Hiatus," an approx. 20-25 million year interval of the Upper Cretaceous without sauropods.
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Alamosaurus
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The crests of lambeosaurines varied in species according to age and sex.
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true
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Saurolophus and Prosaurolophus are two examples of members of the Hadrosaurinae which includes those hadrosaurids with a fairly flat skull roof or head crest of solid bone.
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true
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What is false about hadrosaurs?
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They have a single row of large teeth on each side of the jaw. (True: They have elongated external nostrils. Some digits had hoof-like pads. They have toothless beaks.)
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which of the following hadrosaurs was named after a Canadian city
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Edmontosaurus
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Ossified or bony tendons in the tails of many ornithopods served to
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stiffen the tail.
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All ornithopods were quadrupedal.
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false
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The so-called duck-billed hadrosaurs were restricted to the Jurassic Period.
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false
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The Iguanoodontia have closely packed batteries of teeth.
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true
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Ornithopods are not known to have been herding animals.
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false
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Hadrosaurs may have had inflatable air sacs over the flat dorsal portion of the skull surrounding the external nostrils.
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true
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Lambeosaurus was a large, duck-billed dinosaur with a bony head crest shaped like a hatchet.
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true
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Hadrosaurs are differentiated into 2 subfamilies based upon their skull characteristics, the flat-roofed or solid crested Hadrosaurinae and the hollow-crested Lambeosaurinae.
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true
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Ornithopods were remarkably diverse and distributed throughout the world.
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true
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Othniela, a small member of the Hypsilophodontidae family of ornithopods, was named in honor of a famous dinosaur paleotologist, being named for the first name of
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Marsh.
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This genus from the large Euornithopoda clade was bipedal, only 2-5 meters long, and exhibited the specialized chewing arrangement of more advanced ornithopods.
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hypsilophodon
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This genus of ornithopods is the type genus of an early family and clade of ornithopods and derives its name from the fact that it has different types of teeth.
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heterodontosaurus
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which of the following dinosaurs had batteries of large numbers of teeth organized into large rasping surfaces
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hadrosauridae
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which statement about the iguandodontia is false?
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They had small external nostrils. (True: They have hoof-like tips on their toes. They were robustly built. They have heavy shoulders and forelimbs. They lack premaxillary teeth.)
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This member of the Iguanodontia is intermediate in size between Dryosaurus and Iguanodon.
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Camptosaurus
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Computer simulations have been made of the sound once produced by the long hollow crest of this hadrosaur.
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parasaurolophus
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