Photos: One Worm, Five Shape-Shifting Mouths

Jan 18, 2016

Photo credit: Vladislav Susoy & Jürgen Berger

By Mindy Weisberger

A microscopic worm’s changing face almost fooled scientists into thinking its different mouths belonged to different species. But DNA analysis proved that the worm with five faces was really just one species after all. And it’s not the only one — the scientists then discovered two additional worm species that can shape-shift their mouths into one of five adult forms, to best match whatever food is readily available.

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