Why do people have different inherent sleeping patterns that they gravitate to (e.g. some humans are morning people, whereas some are very nocturnal)?
In: Biology
I’d say the natural variety in any characteristic is an evolutionary advantage for the whole species. That’s how it works. A group finds a niche and multiplies with different variations that the environment allows, then if, or rather when, the environment changes, the less fit variants are lost.
Life tries lots of different things when the environment is “friendly” and comfortable and when this inevitably changes, there (hopefully) is a solid chunk of population that can adapt to it or thrive in it even more. Life and evolution is all about survival, any way possible.
It happens with everything, every characteristic. There’s always variation, whether it makes sense or not, just in case, you could say
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