Random musings on what evolution is and isn’t

It isn’t a drive towards complexity.  Plenty of species actually become simpler due to evolution.  The easiest examples of this is secondary eye loss among many cave dwelling species.

Evolution isn’t set in stone.  As with all science it is provisional and incomplete.  However, because it is a science it is also self-correcting (can’t say that about intelligent design creationism because that isn’t science).

It doesn’t mean a chimpanzee turned into a human at any point in the past.  However, we are very distantly related cousins.  Repeat: not mother/father, but distant cousin.

We shouldn’t find a cat/bird or fish/snake hybrid in the fossil record since evolution doesn’t work that way.

DNA allows for evolution to occur and it IS NOT analogous to computer code except in the most basic (and nearly meaningless) sense, so stop using it as one.  Can’t stress this one enough.

Positive natural selection isn’t the only mode for evolution to take place.  Remember about neutral selection, drift, and flow.

EVOLUTION HAS NO BEARING ON MORALITY!  Let me put it more bluntly: you can be a hard atheist who accepts evolution to be true and still be a very moral human being.  It’s logical and I know plenty of them.

In a similar vein, evolution doesn’t disprove the existence of a god or gods.  It doesn’t help those arguments either.

Evolution isn’t abiogenesis.  It doesn’t concern the big bang either.

I could go on and on, but I think I’ll end here.  Any questions?

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3 Comments

Filed under Biology and Evolution, morality, Those Other Sciences

3 responses to “Random musings on what evolution is and isn’t

  1. Wait… so evolution is NOT the work of the Devil? I’m so confused.

  2. Actually, that’s the one thing it is! EVILution…

  3. Mason

    I knew it!!

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