How do starfish communicate with each other?
Options:
- (A) huddle together
- (B) writing
- (C) during the day
- (D) pheromones
- (E) Chemical energy
- (F) waving their arms
- (G) Decibels
- (H) talking OK. Let's think hard:
Echinoderms use pheromones to communicate with each other. Echinoderms are represented by the starfish. Starfish use pheromones to communicate with each other.
So, the final answer is (D).