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Q&A Could life generate twice on a planet using slightly different materials?

Extremely low possibility, but if life synthesizes from scratch after life has existed on a planet for a few million years, would the two separate lineages be able to co-exist?

2 answers  ·  posted 5y ago by Double_S‭  ·  last activity 5y ago by Double_S‭

Question aliens chemistry biochemistry life abiogenesis