Echinoderms have a unique water vascular system with tube feet, and another obvious connection between the eye and the rest of the body is the vascular system. Given these facts, a connection is between the eye and what type of  feet in echinoderms among the following options:
- tube
 - Seesaw
 - vision
 - made
 - voles
 - a path
 - bones
 - muscle


 

 tube        