Marine Biologist encounters a giant sponge nearly 20m below the surface.  Gigantism may have played a role in the success of some Antarctic marine animals and is one aspect of efforts to understand how evolution has responded to climate change in the past.  This image is associated with the 2005-2010 BAS science programme: BIOFLAME - Biodiversity, Function, Limits and Adaptation from Molecules to Ecosystems.
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