Fact 1: Echinoderms lack a centralized nervous system.

Fact 2: Echinoderms are represented by the starfish.

Given the two facts above, answer the question "what lack a centralized nervous system?" with the following options: 
- barnacles
 - amphibians
 - insects
 - primates
 - alpacas
 - Pesticides
 - starfish
 - snakes


 

       starfish  