Spiky Sight

This Spiky Sight video also includes:

Can an organism with no eyes still see? As it turns out for the purple sea urchin, the answer is yes. In a short video, scientists explain why they believe that some sea urchins can use their spikes to visually sense the environment. 

6 Views 10 Downloads NGSS: Adaptable
Pros
  • Interesting and informative in just a minute and a half
  • Examines the evidence supporting the claim
  • Shows a unique adaptation 
Cons
  • No supporting lessons or activities