Chapter 32, Problem 2S

Summary Introduction

To determine:

Where the echinoderm would be placed in the animal kingdom.

Introduction:

Echinoderms are radially symmetrical, triploblastic, coelomate animals. They are mostly marine and contain water vascular system for locomotion. They have spines on their body, hence named echinoderms. The echinoderms include sea star, sea cucumber, sea urchin and others.