Question

Question 19
The locomotory organs of Echinodermata are

(a) tube feet
(b) muscular feet
(c) jointed legs
(d) parapodia

Answer 1

(a) tube feet

Echinoderms have a peculiar water driven tube systems to help them move around.These tube feet also help them feed and respire.

Arthropods have jointed legs.

Parapodia help the annelids move around while the mollusks have a muscular foot for locomotion.