what lack a centralized nervous system?
Pesticides neurons barnacles alpacas insects fish humans starfish
A B C D E F G H
Starfish and sea urchins are also echinoderms.
starfish lack a centralized nervous system
what lack a centralized nervous system? (A) Pesticides (B) neurons (C) barnacles (D) alpacas (E) insects (F) fish (G) humans (H) starfish