A choanoflagellate (IMAGE)

Proceedings of the National Academy of Sciences

A choanoflagellate

Caption

A choanoflagellate. The long flagellum drives a feeding current through the 'collar', the crown of filaments at the top of the cell, where bacterial prey is captured

Credit

Image credit: Helge Thomsen (National Institute of Aquatic Resources, Kongens Lyngby, Denmark).

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