Please answer the following question: You are presented with the question "corals use what to communicate with each other" and the following answer choices: - Energy - pheromones - kinetic energy - produce light - heat produced - heat energy - Chemical energy - sound Now knowing that echinoderms use pheromones to communicate with each other and ascothoracican barnacles attach to echinoderms or corals, choose the best answer.
Answer:
pheromones