‘Flatworms’ are called so
They appear flat on the external surface
They appear flat in cross section across the body
They appear flat when held still
None of the above
Platyhelminthes are also called flat-worms because the cross-section of the body is flat.
The body is dorsoventrally flattened.
This phylum consists of planaria, flukes and tapeworms.
-
Platyhelminthes are also called flat-worms because the cross-section of the body is flat.