Bio1331 Animals - Evolution - Chordates And Jawless Fishes (Lecture Seven)

15 Questions | Total Attempts: 65

SettingsSettingsSettings
Please wait...
Bio1331 Animals - Evolution - Chordates And Jawless Fishes (Lecture Seven)


Questions and Answers
  • 1. 
    What is the name given to the theory that claims that an organism's biological/embryological development parallels its species' evolutionary development?
    • A. 

      Recapitulation Theory

    • B. 

      Summarisation Theory

    • C. 

      Theory of Development

    • D. 

      Embryonical Evolution Theory

  • 2. 
    Which of the following Scientists developed the Recapitulation Theory?
    • A. 

      Ernest Haeckel

    • B. 

      Charles Darwin

    • C. 

      Ronald Fisher

    • D. 

      J.S. Haldane

  • 3. 
    Name a clade of chordates.HINT: There are two, each with two variations on the name.
  • 4. 
    True or False?All chordates have a notochord.
    • A. 

      True

    • B. 

      False

  • 5. 
    Which of the following is true about the notochord of Lancelets/Cephalochordates?
    • A. 

      The notochord measures the entire length of the Lancelet body and lasts its entire life

    • B. 

      The notochord measures the entire length of the Lancelet body but only appears in embryonic development

    • C. 

      The notochord measures a partial length of the Lancelet body and lasts its entire life

    • D. 

      The notochord measures a partial length of the Lancelet body but only appears in embryonic development

  • 6. 
    Which of the following is a Lancelet/Cephalochordate?
    • A. 

      This one!

    • B. 

      No, this one.

    • C. 

      It's definitely this one.

    • D. 

      I'm pretty sure crabs are Lancelets?

  • 7. 
    True or False?A Urochordate/Tunicate has a notochord throughout its entire lifespan.
    • A. 

      True

    • B. 

      False

  • 8. 
    Which chordate clade may have ancestral chordates resembled?
    • A. 

      Lancelets/Cephalochordates

    • B. 

      Tunicates/Urochordates

  • 9. 
    Check the traits that are commonly associated with vertebrates.
    • A. 

      Rigid, internal skeleton

    • B. 

      2 pairs of appendages

    • C. 

      Anterior skull

    • D. 

      Large brain

    • E. 

      Advanced circulatory system

    • F. 

      Internal organs suspended in large coelom

    • G. 

      Flexible internal skeleton

    • H. 

      Single pair of appendages

    • I. 

      Many pairs of appendages

    • J. 

      Posterior skull

    • K. 

      Small brain

    • L. 

      Simplistic circulatory system

    • M. 

      Acoelomates

  • 10. 
    Name a clade of vertebrates.
  • 11. 
    Complete the following sentence:________ were the first vertebrates with mineralised skeletal elements in their mouth and pharynx.
Back to Top Back to top