evolution

The videos below explain current scientific theories regarding –
the emergence and diversification of life (aka abiogenesis and evolution):

For introductory overviews,
I highly recommend the Stated Clearly Videos :




For more detailed tutorials,
I highly recommend the Crash Course Series, specifically their ‘Big History’ playlist for the emergence of life, evolution, and human societies
(specifically episodes 4-7, so skip ahead on video link)