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Zooplankton - Credit: Getty Images |

View to a Krill: Secrets of Plankton Eyes

AFP

Nov. 19, 2008 -- Biologists on Wednesday explained how the larvae of marine zooplankton can see with just two cells, using what is believed to be the world's simplest vision system.

Zooplankton are tiny creatures such as copepods and krill that drift in the ocean's water columns, swimming up from the depths towards the light in order to graze on marine plants called phytoplankton near the surface.

This movement, calle...

© discovery.com, 2008

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