Describe the features of phylum Platyhelminthes.
- They show bilateral body symmetry.
- Their body is dorsoventrally flattened like a ribbon. So they are also called flatworms.
- Most of them are parasitic, only a few are free living.
- They are mostly hermaphrodites.
- There are three embryonic layers of cells in their body. So, they are triploblastic.
- The body does not have any pore or cavity.
- They have power of regeneration.
Examples: Fasciola (Liver fluke), and Taenia solium.