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Echinodermata. By: Frank Candre , Vidit Talati , Tommy Palm, Eric Yi, Varun Kumar. Germ Layers. Triploblastic (3): Ectoderm, Mesoderm, Endoderm. Symmetry. Larva: Bilateral Adult: Partial Radial. Sea Urchin Larvae. Coelom. YES!. Digestive Tract. Sac-like
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Echinodermata By: Frank Candre, ViditTalati, Tommy Palm, Eric Yi, Varun Kumar
Germ Layers • Triploblastic (3): Ectoderm, Mesoderm, Endoderm
Symmetry • Larva: Bilateral • Adult: Partial Radial Sea Urchin Larvae
Coelom • YES!
Digestive Tract • Sac-like • One opening, mouth and anus are same
Cephalization • No
Segmentation • None
Skeleton/Appendages • No skeleton • Varied number of appendages • Ex. Sea Cucumber=0 • Ex. Sea Star=5
Circulatory System • No true system, contain central ring with radial vessels
Respiratory System • Water vascular system (gas exchange)
Reproduction • Sexual, release of gametes into water • Some species can produce asexually through division
Habitat • Aquatic (salt)