What lacks a centralized nervous system?
starfish barnacles blowfish our planet humans Pesticides insects sharks
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) starfish (B) barnacles (C) blowfish (D) our planet (E) humans (F) Pesticides (G) insects (H) sharks