What lacks a centralized nervous system?
humans dogs our planet insects barnacles starfish birds Pesticides
A B C D E F G H
Echinoderms are represented by the starfish.
starfish lack a centralized nervous system.
What lacks a centralized nervous system? (A) humans (B) dogs (C) our planet (D) insects (E) barnacles (F) starfish (G) birds (H) Pesticides