Enumerate the characteristic of a class that contains organisms with two types of symmetry in their life cycle.

Question

Philoid · Accepted Answer

Two types of symmetry, i.e. bilateral and radial both is found in phylum Ctenophora. The characters are:

1. Incomplete gut, only mouth present.

2. No organ for excretion, respiration or circulation.

3. Diploblastic.

4. Biradially symmetrical

5. Eight rows of ciliated comb-like structures.