Question

Secondary radial symmetry is found in?

• A. Cnidaria
• B. Jelly Fish
• C. Hemichordata
• D. Echinodermata

Answer 1

The correct option is D

Echinodermata

The correct option is D.

Explanation of the correct option:

1. The conditions where bilateral and radial symmetry conditions are experienced by a living organism in various parts of life.
2. Secondary radial symmetry is also found in phylum Echinodermata.

Explanation of the incorrect option:

Option A:

1. Cnidaria is a group that is made up of more than 9000 species.
2. It consists of marine animals. Corals, jellyfish, hydras, etc are examples of cnidarian.

Option B:

1. Jellyfish in itself is an example of cnidaria.
2. It is a common name given to gelatinous members of the cnidaria category.

Option C:

Hemichordata is a part of marine animals, which is mostly known as the sister group of echinoderms.

Final answer:

Secondary radial symmetry is found in Echinodermata.