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Unit Plan

Ck 12: Life Science: Echinoderms

Curated by ACT

[Free Registration/Login may be required to access all resource tools.] You're probably familiar with starfish and sand dollars. They are both echinoderms. Sea urchins and sea cucumbers are also echinoderms. What's similar between these three organisms? They all have radial symmetry. This means that the body is arranged around a central point. Learn more about echinoderms in this learning module produced by CK-12.

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Concepts
radial symmetry, starfish, echinoderms
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Additional Tags
water vascular system, ck 12, ck-12, ck12, echinoderm diet, echinoderm reproduction, ohio 6.ls.4.c, characteristics of echinoderms, features of echinoderms, asteroids (starfish, cushion stars)
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Classroom Considerations
  • Knovation Readability Score: 2 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Instructional|practice