The first large multicellular organisms could breathe normally only in thermostable conditions of the deep sea.

 
The first large multicellular organisms could breathe normally only in thermostable conditions of the deep sea. - Multicellular, , Ediacaran, Cambrian explosion, Evolution, Longpost
The first large multicellular organisms could breathe normally only in thermostable conditions of the deep sea. - Multicellular, , Ediacaran, Cambrian explosion, Evolution, Longpost


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