our brainless ancestors

Kimberellaa restoration of what a Kimberella might look like

[O]ur most recent common ancestor with octopus might have looked something like this... more like an octopus than a human. Our most recent common ancestor was some kind of soft-bodied blob that existed well over half a billion years ago and had no head, no eyes, and only a very basic, decentralized nervous system. In other words, our common ancestor had no brain.

10/01/12
by jessamyn

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