2. Echinoderms Octavio’s Book Echinoderms

3. Echinoderms are Invertebrates (no backbones)

4. The starfish or sea star are echinoderms

6. Echinoderms are marine animals

7. The crinoids and sea lilies are echinoderms

9. The body of the echinoderms is arranged in five parts around the central axis

11. The sea cucumber and sand dollar are echinoderms

13. Echinoderm’s bodies are covered with tough plates and spines

15. Echinoderms don’t have a brain.

16. They have a hydraulic system for locomotion and feeding

18. Many echinoderms have the power of regeneration..

19. …if a part is cut from the central mass it become a new animal

21. Some echinoderms have a star shape

22. like the basket star and the brittle star

24. other echinoderms have sphere shape

25. like the echinoids and sea urchins

27. There are more than 7,000 living species of Echinoderms