What do echinoderms use to communicate?
vision words sound Light waves Acids language scent
A B C D E F G H
Scent marks contain molecules called pheromones.
echinoderms use scent to communicate
What do echinoderms use to communicate? (A) vision (B) words (C) sound (D) Light (E) waves (F) Acids (G) language (H) scent