You are presented with the question "What kind of animals has a water vascular system with tubed feet?" and the following answer choices: 
- animals
 - starfish
 - reeds
 - insects
 - warm-blooded
 - sponges
 - sea coral
 - four limbs

Now knowing that echinoderms have a unique water vascular system with tube feet and echinoderms are represented by the starfish, choose the best answer.


 

  starfish       