Observe the diagram and identify the phylum :[Diagram: a small, sac-like animal fixed to a base, with a tubular body and a ring of thin tentacles at the upper end, i.e. Hydra.]
Q.1 (B)(iv) Observe the diagram and identify the phylum :
[Diagram: a small, sac-like animal fixed to a base, with a tubular body and a ring of thin tentacles at the upper end, i.e. Hydra.]