Laboratory tests have shown Atmosphere of early earth + basic elements (charged with energy i.e lightning) -> amino acids ( building blocks of life)
Carbon linked in many interesting ways to other elements.
Life was formed within 1st billion years.
Primitive lipids can naturally form cell-protecting membranes.
RNA was single-stranded (compared to double helix of DNA), stored communicative information and could replicate.
Life progressed by methods of organisation.
Lifeforms used energy from their surroundings to make self-copies that were prone to change due to the instability of the replicating process.
This allowed for adaptation which was necessary for evolution.
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