english: And it opens and closes the shutter so the amount of light coming out of the bottom, which is made by the bacterium, exactly matches how much light hits the squid's back, so the squid doesn't make a shadow.
non_english: A otvára a zatvára túto clonu, aby množstvo svetla vychádzajúceho zo spodu - ktoré vyprodukuje baktéria - presne sedelo s množstvom svetla dopadajúceho na chrbát sépie tak, aby sépia nevrhala tieň.