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How would you determine whether the cause of them not dying was 'the shape of their foot', and not any of thousands of other features you could arbitrarily pick

by gress 12y ago

How would you determine whether the cause of them not dying was 'the shape of their foot', and not any of thousands of other features you could arbitrarily pick, such as 'the balance of their skeleton', or 'their gait', or 'the thickness of their skull' or 'the responsiveness of their reflexes'?

monochr 12y ago
You don't and neither does evolution. All that the DNA knows is that it got into the next generation and it will keep doing whatever it was doing before plus or minus a few small random mutations.
- gress 12y ago
  Exactly, so these just so stories are just that.