What lacks a centralized nervous system?
Options:
- (A) starfish
- (B) barnacles
- (C) blowfish
- (D) our planet
- (E) humans
- (F) Pesticides
- (G) insects
- (H) sharks Think carefully first, then make a decision. My thoughts:
Echinoderms lack a centralized nervous system. Echinoderms are represented by the starfish. Starfish lack a centralized nervous system. So the answer is (A).