Fact 1: Adult echinoderms have radial symmetry.

Fact 2: Echinoderms are represented by the starfish.

Given the two facts above, answer the question "Adults of what kind of animal have radial symmetry?" with the following options: 
- graptolites
 - starfish
 - a fish
 - fur seals
 - alpacas
 - insects
 - fertile
 - barnacles


 

  starfish       