In Physalia, the float is

In Physalia, nematoblasts paralyse the prey by

In Physalia, nematoblasts paralyse the prey by

In Physalia, nematoblasts paralyse the prey by

In Physalia, zooids occur in groups called

Which animal shows pneumatophore: Hydra, sponges, Physalia or corals?

Find the odd one out: Physalia, Hyalonema, Euplectella, Spongilla

How many in the given examples of animals are Coelenterates, Physalia, Obelia, Plannaria, Pennatula, Gorgonia, Pleurobrachia, Meandrina and Nereis.

What are floating ribs?

Crest or sail of float in Physalia is differently coloured. It is