Quiz 1_sth2073 Invertebrate Biology

10 Questions | Total Attempts: 183

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Quiz 1_sth2073 Invertebrate Biology

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Questions and Answers
  • 1. 
    A group of species sharing an immediate ancestor but not including all descendants is known as _______.
  • 2. 
    Most metazoans are tripoblastic animals.
    • A. 

      True

    • B. 

      False

  • 3. 
    Based on the following statements, which is NOT TRUE about the function of choanocyte in sponges?
    • A. 

      To capture small food particles.

    • B. 

      To capture incoming sperm for fertilization.

    • C. 

      To store digested food materials.

    • D. 

      To generate currents for maintaining the circulation of seawater within sponges

  • 4. 
    Opening of the poriferans body walls consist of oscula that allows water in and ostia that lets water out.
    • A. 

      True

    • B. 

      False

  • 5. 
    Members of Phylum Porifera are further divided into clasess based upon ___________.
    • A. 

      Chemical composition of support elements

    • B. 

      Types of body contruction

    • C. 

      The presence of choanocytes

    • D. 

      The morphology of support elements

  • 6. 
    Members of Class Calcarea are distinguished from other classes by having spicules composed of __________.
  • 7. 
    Osmoregulation in Phylum Protozoa is happen by means of a contractile vacuole.
    • A. 

      True

    • B. 

      False

  • 8. 
    Asexual (clonal) reproduction in Protozoan are by means of ________.
  • 9. 
    Amoebiosis that causes internal inflammation are responsible by _______________.
    • A. 

      Vorticella sp.

    • B. 

      Entamoeba histolytica

    • C. 

      Plasmodium palcifarum

    • D. 

      Trypanosoma sp.

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