Question

enumerate the affinities between the phylum cnidaria and ctenophora​

Answer 1

Answer:

Ctenophora shows several affinities with Cnidaria, some of them are:

1. The radial and tetramerous symmetry of the body, like the medusa of the hydrozoans.

2. Arrangement of parts along oral-aboral axis.

3. Presence of branching gastrovascular canals and absence of coelom.

4. Presence of tentacles and statocyst.

5. Endodermal nature of gonads etc.