Question

Which parasite bear operculum?

Answer 1

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.