Echinoderms are a diverse group of marine organisms. The name means "spiny-skin" and is appropriate because the internal skeleton of the animals in this group has spines, called ossicles, that usually protrude through the skin.. Echinoderms have a unique water vascular system that includes a network of tubes that connect many hollow tube feet. Water flow is controlled by muscle contractions and directs the movement and feeding of these animals. 1. Observe the display of specimens at the counter and answer the questions below. a. Name five examples of animals that belong to this phylum. 1. 2. 3. 5. b. What type of symmetry does this phylum exhibit?

Echinoderms are a diverse group of marine organisms. The name means "spiny-skin" and is appropriate because the internal skeleton of the animals in this group has spines, called ossicles, that usually protrude through the skin.. Echinoderms have a unique water vascular system that includes a network of tubes that connect many hollow tube feet. Water flow is controlled by muscle contractions and directs the movement and feeding of these animals. 1. Observe the display of specimens at the counter and answer the questions below. a. Name five examples of animals that belong to this phylum. 1. 2. 3. 5. b. What type of symmetry does this phylum exhibit?

Comprehensive Medical Terminology

4th Edition

ISBN:9781133478850

Author:Jones

Publisher:Jones

Chapter4: Whole Body Terminology

Section: Chapter Questions

Problem H1CRE

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