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Kalahira
Fragmentation. Flatworm having both male and female organs and asexually by fragmentation. In fragmentation, a new organization is form from the old part which break from the parents. Each piece will become a separate worm.

Answer: fragmentation

The flatworms are worms that belongs to a phyllum of unsegmented, soft bodies invertebrate organisms. They do not possess specialized circulatory and respiratory organs, they exhibit flat shapes that allow them to obtain oxygen and nutrients by the process of diffusion. They are simple organisms which are able to reproduce by sexual and asexual modes.

Asexually, the flatworms reproduce by fragmentation. The body of the flatworm split off into parts, the separated parts regenerate into an new worm.