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Instructional Video

California Academy of Sciences: Spiky Sight

Curated by ACT

Sea urchins have no eyes or visual organs, but researchers are proving that they do, in fact, see. [1:36]

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california academy of sciences, spiky sight, sea urchins
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Classroom Considerations
  • Knovation Readability Score: 5 (1 low difficulty, 5 high difficulty)