On Evolution

Carl Segan’s Cosmos series contains a wonderful overview of the history of life.

The one possible criticism of the video is that evolution could be misconstrued as a gradual, linear process (although Segan is pretty clear that this is not the case). BouncingDodecahedrons has an interesting image showing the splitting and coiling of the process.

I prefer to illustrate evolution using the tree of life.

Phylogenetic tree of randomly selected organisms.

Reddit

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