Biotic molecular samples exhibit consistently higher diversity than abiotic ones, providing a statistical biosignature based on relative abundances that persists under degradation.
E.et al.Ancient amino acids from fossil feathers in amber.Scientific reports9, 6420 (2019)
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Molecular diversity as a biosignature
Biotic molecular samples exhibit consistently higher diversity than abiotic ones, providing a statistical biosignature based on relative abundances that persists under degradation.