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Phylum Echinodermata : Station 8. This includes starfish , and sea urchins and others. They have a simple nervous system similar to the jelly fish. They have spines on their surface. Brittle Star. Sea Urchin. Echinodermata Samples and Classification Structures. Kingdom Animalia
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Phylum Echinodermata: Station 8 • This includes starfish, and sea urchinsand others. They have a simple nervous system similar to the jelly fish. • They have spines on their surface. Brittle Star Sea Urchin
EchinodermataSamples and Classification Structures • Kingdom Animalia • Phylum Echinodermata • Common Name = starfish, sea urchin, britter star, sand dollar, sea cucumbers and etc. • Reproduction = Mostly Sexual (two parents) • Symmetry = mostly radial sometimes bilateral. • Classification Structures • Have spines on the surface and radial symmetry. • Have 5 rays or arms • Have many cells tissues and organs • Have a true body cavity • Samples: • 8A = Class echnoidea (sea urchin). • 8B = Class asteroidea (starfish) • 8C = Class echnoidea (sand dollar)