Friday, May 10, 2019

Is Evolution Sometimes a Cycle?

Apparently, yes.

One species of rail has twice colonized islands and become flightless...in the same exact way. This proves that evolution is highly predictable. The phenomenon is called iterative evolution.

It has some interesting implications. If a species can literally evolve twice in essentially the same way, then...for one thing, it means de-extinction isn't as unnatural as we think.

(Passenger pigeons, anyone?)


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