[ExI] evolution problems

Dave Sill sparge at gmail.com
Fri Sep 14 17:56:01 UTC 2018

On Fri, Sep 14, 2018 at 12:25 PM William Flynn Wallace <foozler83 at gmail.com>

> Here's what I don't get about evolution:  a tiger moth developed the
> ability to make ultrasonic clicks, which just so happen to interfere with a
> bat's ability to locate them.
> Doesn't that seem suspicious to you, like someone is messing with the
> system?  random mutation is random, right?  'Just so happens'  - seems like
> a huge coincidence to me.

Not at all. Probably started with some mutation that caused minor, mostly
ineffective clicking, but was effective enough to slightly enhance its
owner's chances of reproducing. Over time, those moths whose clicking was
more effective out-competed the others, and the "skill" was refined.

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