Symbiotic Relationships

10 Questions  I  By Rajeckit
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 Symbiotic Relationships
This is a quiz on symbiotic relationship: parasitism, mutualism, commensalism.

  
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  • 1. 
    A lichen is a combination of fungus and algae that lives on the sides of trees, rocks, and other materials.  The fungus provides the algae with water and minerals and the algae uses the water and minerals to make food for both organisms.  What type of relationship does the lichen represent?
    • A. 

      Parasitism

    • B. 

      Commensalism

    • C. 

      Mutualism


  • 2. 
    Which of the following in NOT an example of a symbiotic relationship?
    • A. 

      A mother bear caring for her cub

    • B. 

      Worm living in a cow' s intestine

    • C. 

      A bacterial infection


  • 3. 
    When a symbiotic relationship benefits both organisms,it is an example of:
    • A. 

      Commensalism

    • B. 

      Mutualism

    • C. 

      Parasitism


  • 4. 
    How does a crocodile benefit from a bird eating from its mouth?
    • A. 

      It gets its teeth cleaned

    • B. 

      It gets to eat the bird

    • C. 

      It gets a defense against flies


  • 5. 
    How do people benefit from bacteria in their intestines?
    • A. 

      The bacteria prevents humans from getting sick

    • B. 

      The bacteria allows humans to eat a wider variety of foods

    • C. 

      The bacteria allows humans to longer without eating


  • 6. 
    When a symbiotic relationship helps one organism and hurts the other it is an example of:
    • A. 

      Commensalism

    • B. 

      Mutualism

    • C. 

      Parasitism


  • 7. 
    The harmed species in a parasitic relationship is called:
    • A. 

      The occupant

    • B. 

      The parasite

    • C. 

      The host


  • 8. 

    The following picture is an example of what kind of symbiotic relationship?
    • A. 

      Commensalism

    • B. 

      Mutualism

    • C. 

      Parasitism


  • 9. 

    The following pictures is an example of what kind of symbiotic relationship?
    • A. 

      Commensalism

    • B. 

      Mutualism

    • C. 

      Parasitism


  • 10. 

    Leeches have been used for medicinal purposes.  The leech benefits by getting blood (food) from humans.  How do humans benefit from the mutualistic relationship?
    • A. 

      The leech helps improve blood flow in the human

    • B. 

      The leech reduces the humans chance of a bacterial infection

    • C. 

      The leech improves the cosmetic look of the human


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