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Question

Which parasite bear operculum?


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Solution

Operculum:

  1. Flukes are parasitic worms that belong to the invertebrate class Trematoda and Platyhelminthes phylum.
  2. A non-cellular cuticle covers the symmetrical body of a fluke.
  3. Although some are sturdy and round in cross-section, the majority are flattened and leaflike or ribbonlike.
  4. The eggs of parasitic flukes have brown shells and a tiny cap.
  5. The larvae use this structure, known as the operculum, to escape danger.


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