Echinoderms

10 Questions | Total Attempts: 133

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Echinoderms

This is a quiz on echinoderms


Questions and Answers
  • 1. 
    What do Enchinoderms develope from?
    • A. 

      Bilaterally symmetrical Larvae

    • B. 

      Radially symmetrical Larvae

    • C. 

      Eggs

    • D. 

      Nothing

  • 2. 
    When they are grown up they are what type of symmetry?
    • A. 

      Bilaterally symmetrical

    • B. 

      Radially symmetrical

    • C. 

      Not symmetrical

    • D. 

      None of the above

  • 3. 
    How many classes are in the phylum Enchinoderm?
    • A. 

      3

    • B. 

      4

    • C. 

      5

    • D. 

      7

  • 4. 
    A Network of water filled canals inside thier body is called
    • A. 

      Tube feet

    • B. 

      Water-vascular system

    • C. 

      Ossicles

    • D. 

      Pedicellariae

  • 5. 
    They have many small, moveable extensions of the water-vascular system called
    • A. 

      Tube feet

    • B. 

      Water-vascular system

    • C. 

      Ossicles

    • D. 

      Pedicellariae

  • 6. 
    The Fertilized egg develops into bilaterally symetrical, free swimming larvae called
    • A. 

      Stone canal

    • B. 

      Ampulla

    • C. 

      Bipinnaria

    • D. 

      Ring canal

  • 7. 
    Which of the following is an Enchinoderm?
    • A. 

      Whale

    • B. 

      Starfish

    • C. 

      Crocodile

    • D. 

      Giraffe

  • 8. 
    What type of Circulatory system do they Enchinoderms have?
    • A. 

      Open

    • B. 

      Closed

    • C. 

      Spiral

    • D. 

      Don't have one

  • 9. 
    Excretion and diffusion take place where?
    • A. 

      Skin gills

    • B. 

      Lungs

    • C. 

      Ampulla

    • D. 

      Anus

  • 10. 
    Water enters the water vascular system through the little pores called
    • A. 

      Ampulla

    • B. 

      Skin gills

    • C. 

      Madreporite

    • D. 

      Bipinnaria