The headless and brainless brittle stars have nerve cords that receive stimuli. Click to read more. Brittle stars, unlike starfish, spend most of their lives lurking under rocks and burrowing in the sand of the world's oceans.
Brittle stars can learn just fine, even without a brain phys.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from phys.org Daily Mail and Mail on Sunday newspapers.
Brain-Less Brittle Stars Capable of Learning miragenews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from miragenews.com Daily Mail and Mail on Sunday newspapers.