Older fernlings secrete pheromones that determine the sex of the younger ones — maintaining a balanced ratio so that they can all reproduce faster, the study shows.
http://www.nature.com/news/ferns-communicate-to-decide-their-sexes-1.16214
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Older fernlings secrete pheromones that determine the sex of the younger ones — maintaining a balanced ratio so that they can all reproduce faster, the study shows.
http://www.nature.com/news/ferns-communicate-to-decide-their-sexes-1.16214