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Old July 17th 19, 10:11 PM posted to rec.bicycles.tech
Zen Cycle
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Default CO2 Connectors - Threaded vs Unthreaded

On Wednesday, July 17, 2019 at 4:01:02 PM UTC-4, Tom Kunich wrote:

Do you know the difference between natural variation and mutation?


It's only a matter of scale. Even minor variations are a result of a mutation that drive the characteristic. Whether or not that variation has any effect on fitness* depends on selection pressures.

Mutation has absolutely NOTHING to co with evolution.


Mutation has EVERYTHING to do with evolution. Mutations are what enables certain members of a population to survive a selection pressure, or exploit a previously useless niche.

Especially since most mutations are sterile.


You're thinking of 'benign', not sterile. Sterility is a mutation unto it's own

*Fitness doesn't mean what you think it does: https://en.wikipedia.org/wiki/Fitness_(biology)
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