Since flatworms have bilateral symmetry they can reproduce asexually. The body will breakoff into two piece and each peice will become a new worm.

Lumbriculus variegatus - Blackworm

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Planaria

Notes over the phylum platyhelminthes, which includes flatworms such as the planarian and tapeworm. A powerpoint presentation follows the notes; intended for biology students.

This creature is in the phylum Platyhelminthes which means flatwom. As you can see the apperance of this worm is flat.

Class Turbellaria is of the Phylum Platyhelminthes. As such, they are multicellular flatworms found in many aquatic habitats and some terrestrial environments.

Marine Biology

Diagram of a Nematoda