Echinoderms use pheromones to communicate with each other.
All echinoderms are deuterostomes .
Deuterostomes use pheromones to communicate with each other.
What use pheromones to communicate with each other?

(A) passenger pigeons
(B) honeybees
(C) deuterostomes
(D) Most plants
(E) insects
(F) animals
(G) huddle together
(H) orchids