Submitted by Nirvighnam_noor t3_yrepih in askscience
dragonfly907 t1_ivw4ce7 wrote
I just want to mention that simple and rationally satisfying explanations for evolutionary modifications that we observe today may not always be possible. We aren't always able to infer all the evolutionary pressures that these modifications underwent over hundreds of millions of years. Also remember that evolution cannot go back to the drawing board. It can only work with incremental modifications of existing systems.
[deleted] t1_ivwdybu wrote
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