Triphoblastic organisation and bilateral symmetry starts from which phylum during evolution.

Triploblastic, acoelomate and bilateral symmetry with most of parasitic forms. The above description is characteristic of the phylum :-

Which of the following shows bilateral symmetry?

Which of the phyla has bilateral symmetry and is coelomate?

Triploblastic undegmented acoelomate exhibiting bilateral symmetry and reproducting both asexually and sexually with parasitic forms The above description is characteristic of phylum

Triploblastic undegmented acoelomate exhibiting bilateral symmetry and reproducting both asexually and sexually with parasitic forms The above description is characteristic of phylum

The members of which phylum show radial symmetry ?