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      Question

      What characterizes facultative parasites, and how do

      they differ from obligate parasites?
      A Facultative parasites can switch between parasitic and saprophytic lifestyles; obligate parasites cannot grow in axenic culture. Correct Answer Incorrect Answer
      B Facultative parasites always live as parasites; obligate parasites can grow saprophytically. Correct Answer Incorrect Answer
      C Facultative parasites exclusively grow as saprophytes; obligate parasites can switch to a parasitic phase. Correct Answer Incorrect Answer
      D Facultative parasites and obligate parasites have the same characteristics. Correct Answer Incorrect Answer

      Solution

      Facultative parasites can switch between parasitic and saprophytic lifestyles; obligate parasites cannot grow in axenic culture. Facultative parasites can switch between lifestyles, while obligate parasites cannot grow outside a host

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