Plural of abiogenesis; multiple instances or theories about how life arose from non-living matter.
From Greek a- (not) + bios (life) + genesis (origin or creation). Abiogenesis literally means 'origin of life without life,' describing spontaneous generation of life from inanimate material.
Scientists debate multiple abiogeneses—whether life on Earth arose once or possibly multiple times, and whether life elsewhere in the universe might have originated through completely different chemical pathways than ours.
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