Pennatula and Gorgonia are

Pennatula is

Pennatula is

Pennatula is

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

Craspedote (with velum) medusa is present in the pair (a) Aurelia and Rhizostoma (b) Pennatula and Aurelia (c) Rhizostoma and Corallium (d) Physalia and Halistemma

Craspedote (with velum) medusa is present in the pair (a) Aurelia and Rhizostoma (b) Pennatula and Aurelia (c) Rhizostoma and Corallium (d) Physalia and Halistemma

Autozoids of Pennatula take part in

Autozoids of Pennatula take part in

Autozoids of Pennatula take part in

Siphonozoids of Pennatula differ from autozooids in