Fact 1: Echinoderms have a unique water vascular system with tube feet.

Fact 2: Echinoderms are represented by the starfish.

Given the two facts above, answer the question "What kind of animals has a water vascular system with tubed feet?" with the following options: 
- animals
 - starfish
 - reeds
 - insects
 - warm-blooded
 - sponges
 - sea coral
 - four limbs


 

  starfish       