User blog comment:Sebastiao of EC/Jurrasic Park- Fossil Archeology Conference Page/@comment-26720287-20151204024105/@comment-26720287-20151205004015

And did you know that starfish have no brain or ganglia but still have the senses of touch, taste, smell, etc? When one arm smells something good to eat it cuts power to the other arms and pulls itself towards the smell.