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Die Lösung lautet: Dinoflagellaten

Das klassische Meeresleuchten ist ein Biolumineszenz-Phänomen und wird durch Ansammlungen von Mikroorganismen erzeugt. Da das Leuchten durch mechanische Reize ausgelöst wird, tritt Meeresleuchten vor allem in der Brandung auf. Aber auch Schiffe oder Schwimmer, selbst Fische erzeugen manchmal Leuchtspuren. Zu den Organismen, die ein Meeresleuchten auslösen können, gehören unter anderem Dinoflagellaten. Dinoflagellaten sind keine echten Algen, aber auch keine Bakterien. Es handelt sich vorwiegend um Einzeller, die zwei lange Geißeln besitzen. mit deren Hilfe sie sich im Wasser rotierend bewegen können. Die Vermutung, dass Dinoflagellaten Biolumineszenz nutzen, um Fressfeinde abzuschrecken, konnte bisher nicht bewiesen werden.

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