Documents Phylum Echinodermata

âSpiny Skinâ ~7,000 species Sea stars, sand dollars, and sea urchins Clip A thin skin covers a hard calcareous platelike exoskeleton. They are divided into six classes:…

Documents California Seacucumber Parastichopus californicus.

PowerPoint Presentation California Seacucumber Parastichopus californicus Regional Food Web Typical Coastal North Pacific Ecosystem P. californicus is found from Baja Mexico…