Question

Name the locomotory or gans of the fol low ing :
(a) Mollusc
(b) Starfish

Answer 1

Answer:

mollusca-In some molluscs the mantle cavity is a brood chamber, and in cephalopods and some bivalves such as scallops, it is a locomotory organ. The mantle is highly muscular.

Explanation:

star fish-tube feet

In echinodermata like starfish, tube feet are the locomotory organs. They have water vascular system that bears tube feet and has a central coelomic cavity that transports sea water within the animals. So the correct answer is 'Echinodermata