Chordates and Vertebrates Quiz
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Questions and Answers

What develops from the dorsal hollow nerve cord in chordates?

  • The brain and spinal cord (correct)
  • Gill supports in vertebrate fish
  • The notochord
  • Muscular, post-anal tail

    • What do pharyngeal slits or clefts develop into in tetrapods?

  • Anus
  • Parts of jaws, inner ear, and tonsils (correct)
  • Muscular, post-anal tail
  • Gill supports

    • Which group is the sister taxon to chordates?

  • Petromyzontida
  • Urochordata
  • Echinodermata (correct)
  • Notochord

    • What is a unique feature of chordates among invertebrates?

    <p>Dorsal hollow nerve cord (B)</p> Signup and view all the answers

    What do tetrapods have that is not present in vertebrate fish?

    <p>Limbs with digits (A)</p> Signup and view all the answers

    What develops from the dorsal hollow nerve cord in chordates?

    <p>The central nervous system: the brain and spinal cord (C)</p> Signup and view all the answers

    What do pharyngeal slits or clefts develop into in tetrapods?

    <p>Parts of jaws, inner ear, and tonsils (C)</p> Signup and view all the answers

    Which group is the sister taxon to chordates?

    <p>Echinodermata (D)</p> Signup and view all the answers

    What is an ancestral use of pharyngeal slits or clefts?

    <p>Filter-feeding &amp; gas exchange (B)</p> Signup and view all the answers

    What is a unique feature of chordates among invertebrates?

    <p>Dorsal hollow nerve cord (A)</p> Signup and view all the answers

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