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Echinodermata

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

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  1. Echinodermata By: Frank Candre, ViditTalati, Tommy Palm, Eric Yi, Varun Kumar

  2. Germ Layers • Triploblastic (3): Ectoderm, Mesoderm, Endoderm

  3. Symmetry • Larva: Bilateral • Adult: Partial Radial Sea Urchin Larvae

  4. Coelom • YES!

  5. Digestive Tract • Sac-like • One opening, mouth and anus are same

  6. Cephalization • No

  7. Segmentation • None

  8. Skeleton/Appendages • No skeleton • Varied number of appendages • Ex. Sea Cucumber=0 • Ex. Sea Star=5

  9. Circulatory System • No true system, contain central ring with radial vessels

  10. Respiratory System • Water vascular system (gas exchange)

  11. Reproduction • Sexual, release of gametes into water • Some species can produce asexually through division

  12. Habitat • Aquatic (salt)

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