what lack a centralized nervous system?
barnacles amphibians insects primates alpacas Pesticides starfish snakes
A B C D E F G H
Echinoderms are represented by the starfish.
starfish lack a centralized nervous system.
what lack a centralized nervous system? (A) barnacles (B) amphibians (C) insects (D) primates (E) alpacas (F) Pesticides (G) starfish (H) snakes