A shadow biosphere is a hypothetical microbial biosphere of Earth that would use radically different biochemical and molecular processes from those of known life. Although life on Earth is relatively well studied, if a shadow biosphere exists, it may be unnoticed because the exploration of micro-organisms targets primarily the biochemistry of macro-organisms.
A shadow biosphere is a hypothetical microbial biosphere of Earth that would use radically different biochemical and molecular processes from those of known life. Although life on Earth is relatively well studied, if a shadow biosphere exists, it may be unnoticed because the exploration of micro-organisms targets primarily the biochemistry of macro-organisms.
Source: Wikipedia "Shadow biosphere" · CC BY-SA 4.0
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