This is not a cnidarian

Which is not a cnidarian (a) Obelia (b) Jelly Fish (c) Sea Anemone (d) Beroe

Which is not a cnidarian (a) Obelia (b) Jelly Fish (c) Sea Anemone (d) Beroe

What is the cnidarian group with quantitatively / relatively large mesoglea? What is the significance of such a well developed mesoglea pertaining to the aquatic life of that group ?

In metagenesis of cnidarian like Obelia, the polyps and medusa are respectively

In metagenesis of cnidarian like Obelia, the polyps and medusae are respectively

In metagenesis of cnidarian like Obelia, the polyps and medusae are respectively