Deep TimeLife & Evolution

Mitochondria: the cell's power plant

1.8 billion years agoNotable

An engulfed bacterium becomes the mitochondrion, supplying the energy complex life needs.

Longest chain: The Big Bang → First stars ignite → Supernovae seed heavy elements → The Sun forms → Earth forms → First oceans → First life → Photosynthesis evolves → Great Oxidation Event → Mitochondria: the cell's power plant

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