Symbiotic Relationships: Mutualism, Commensalism & Parasitism


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If a mosquito feeds on a bird that is infected with the West Nile Virus and then feeds on a human being who then contracts the virus, what role is the mosquito playing in the infection of the person?

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1. When a bee gathers nectar from a certain type of flower to make honey and in the process pollinates the flower, what kind of relationship exists between the bee and the flower?

2. Which of the following is true about amensalism?

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About This Quiz & Worksheet

This quiz and corresponding worksheet will help gauge your knowledge of different types of symbiotic relationships. Topics you'll need to know to pass the quiz include understanding the role of the vector in a symbiotic relationship as well as when a mutualistic relationship might exist.

Quiz & Worksheet Goals

In these assessments you'll be tested on the following terms:

  • Symbiosis
  • Mutualistic
  • Amensalism
  • Commensalism
  • Parasitism

Skills Practiced

This worksheet and quiz will let you practice the following skills:

  • Interpreting information - verify you can read information regarding the characteristics of parasitism identify it
  • Reading comprehension - ensure that you draw the most important information from the related symbiotic relationship lesson
  • Defining key concepts - ensure that you can accurately define main phrases, such as Commensalism and Mutualistic

Additional Learning

To learn more about how animals can benefit in different types of relationships review the lesson called Symbiotic Relationships: Mutualism, Commensalism & Parasitism. This lesson will help you:

  • Understand what symbiosis is
  • Identify the main types of symbiosis
  • Compare and contrast the different symbiotic relationships
  • Explain the difference between mutualism and parasitism
  • Understand when one benefits, but the other is not harmed