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NebXan t1_jeetnda wrote

Resource scarcity is just one evolutionary pressure that can direct natural selection.

Consider bacteria, for example. Even if you place them in an environment with an inexhaustible supply of nutrients, if you add small amounts of antibacterial chemicals, you will end up breeding bacteria that are resistant to those antibacterials.

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mtanfpu t1_jeewb1y wrote

That's.. survival of the fittest ain't it? Here, scarcity lies not with their nutrient supply, but ways to deter their chemical killers?

Edit: I guess I am taking on a broader look at the term 'resource'.

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