Single-celled (unicellular) algae, which develop in the lowermost sections of sea ice, often forming chains and filaments. Ice algae are an important component of the Arctic marine food web.
Unicellular Ice Algae
Image courtesy of the NOAA Arctic Research Program. Download larger version (jpg, 123 KB).

Single-celled (unicellular) algae, which develop in the lowermost sections of sea ice, often forming chains and filaments. Ice algae are an important component of the Arctic marine food web.

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