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Distinguishing Dinosaur Orders and Fossil Embryos
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Distinguishing Dinosaur Orders and Fossil Embryos

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Questions and Answers

What type of theropods are placed together in the subcategory Maniraptora?

  • Coelurosaurian types with more birdlike features (correct)
  • Theropods with aquatic adaptations
  • Small-sized theropods with no birdlike features
  • Theropods with herbivorous feeding habits

    • What is a characteristic feature of theropods that made them unable to assume a four-legged stance?

  • Strong hind legs with birdlike feet (correct)
  • Presence of sharp, curved claws on forelimbs
  • Large head relative to body size
  • Long tails used as dynamic stabilizers

    • What do the jaws of theropods usually contain, indicating their flesh-eating habits?

  • Flat, grinding teeth suitable for herbivory
  • Spatulate teeth designed for crushing hard objects
  • Needle-like teeth for filter feeding
  • Bladelike teeth with serrated edges front and back (correct)

    • What is the proposed classification of birds by some paleontologists according to their relationship with dinosaurs?

    <p>Directly as dinosaurs</p> Signup and view all the answers

    What is the proposed function of the long tails of theropods?

    <p>Dynamic stabilizers or counterbalances</p> Signup and view all the answers

    Which theropod had toothless jaws that probably were covered with a horny birdlike beak?

    <p><strong>Struthiomimus</strong></p> Signup and view all the answers

    What is the distinguishing feature of the hind-limb proportions of some theropods?

    <p><strong>High running speed</strong></p> Signup and view all the answers

    What does the presence of sharp, curved claws on the forelimbs of theropods suggest?

    <p><strong>Seizing and holding prey</strong></p> Signup and view all the answers

    Ornitholestes is placed in which subcategory along with other coelurosaurian types?

    <p><strong>Maniraptora</strong></p> Signup and view all the answers

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