~2.0 BYA → Endosymbiosis event
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Alphaproteobacterium becomes mitochondrion ancestor
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Bacterial lineage becomes internalized in eukaryotes
Bacteria Endosymbiosis event
By Michael Alan Prestwood
Author and Natural Philosopher
02 Feb 2026
Published 4 hours ago.
Updated 4 hours ago.
Bacteria Endosymbiosis event
~2 Billion years ago (+/- 100 million)
Bacteria are added to cells
The end.
Think of tidbits as intellectual scaffolding: modest on their own, essential to the strength of the whole.
Over time, this structure allows related ideas to reconnect naturally across disciplines and across years.