Diagnostic Test

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Diagnostic Quizzes & Trivia

AP Biology diagnostic exam


Questions and Answers
  • 1. 

    Which of the following best describes an intimate ecological association in which an organism benefits from living on or within a host, but which generally has a negative effect on that host?

    • A.

      Mutualism

    • B.

      Saprophytism

    • C.

      Commensalims

    • D.

      Parasitism

    • E.

      Predation

    Correct Answer
    D. Parasitism

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  • Current Version
  • Dec 13, 2012
    Quiz Edited by
    ProProfs Editorial Team
  • Jul 30, 2008
    Quiz Created by
    Shuffstuff
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