Thursday, 5 September 2013
Lichen is a type of fungus that grows in a symbiotic relationship with algae. Lichen is able to withstand temperatures below freezing point because it has the ability do shut down it's cells in the process of dehydration. Because the cells are shut down they are protected from the destruction of ice crystals forming inside of them.
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Great question - lots of good info in your answers too. Great start to your blog. Something funny has happened with your pictures you were trying to post - they just show up as question marks... Try editing your posts so that the pics are there?
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