Biology Quiz Animal Phylum Cnidaria

16 Questions | Total Attempts: 459

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Phylum Porifera Quizzes & Trivia

In this animal-themed quiz, we’ll be learning all about the interesting phylum of over 10,000 species known as cnidaria – which are found solely in aquatic environments. What can you tell us about these particular creatures?


Questions and Answers
  • 1. 
    Species in the phylum Cnidaria have a ____________ tissue level of organization, a ________ cavity, nerve net, ________ symmetry, and Cnidocytes with ________ used for prey capture and defense.
  • 2. 
    The two tissue types are ________ and _______ with _______ in between.
  • 3. 
    What are Cnidocytes? 
  • 4. 
    Cnidarians possess a 2 part life cycle consisting of 2 body forms: _______ and ________
  • 5. 
    What is a gastrovascular cavity? 
  • 6. 
    After catching its prey __________ digestion can then take place in the cavity. Digested materials are then absorbed ____________. 
  • 7. 
    Nematocysts can be reused
    • A. 

      True

    • B. 

      False

  • 8. 
    The ________ life cycle is sexual, and a free swimming life form. 
  • 9. 
    The gastrovascular cavity is lined with ___________.
  • 10. 
    The GVC allows for large prey items to be contained within the confines of the organism. This allows for greater ___________ of potential prey and more available ________ allowing for more _________ and __________.
  • 11. 
    Food is mostly ____________ captured by __________ on the tentacles. 
  • 12. 
    Nerve net cells conduct:
    • A. 

      Bilaterally

    • B. 

      Longitudinally

    • C. 

      Bidirectionally

  • 13. 
    Support for Cnidarians body is provided by the _________ of water around them. They have a _________ skeleton. 
  • 14. 
    Sexual Reproduction is 
    • A. 

      Monoecious

    • B. 

      Dioecious

    • C. 

      Self-fertilizing

  • 15. 
    List the sexual reproduction process
  • 16. 
    Gonangia is a ___________ producing substance.