Every cell, virus, plant, or animal mutation or characteristic is explained by Natural Selection.
It’s almost like there is some motivation for it to make sure life exists and survives. But why do anything at all? If there is a God then it makes sense that it was put in place for life to exist but if there is no God then why don’t we just have a universe of non-living matter?
Natural selection is simply the idea that all living things want to survive and reproduce.
Along with this each new being could have small mutations that make it different from others in it’s species.
Those beings born with a mutation that makes them less likely to be killed before reproducing will pass on their mutation to the next generation, meaning there will be more of that mutation in the next generation.
Continue this process many many many times and you get evolution through natural selection.
It’s not some great plan, it’s millions of individuals scrapping for survival in the face of a dangerous and uncaring world.
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Natural selection, the beings that didn’t have that urge to survive didn’t reproduce and died 🤷
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Because it’s conducive to survival.
That was an unfitting characterization.
Natural Selection does not care about wants. Natural Selection is the inherent and consequential process of selection.
Wants and reproduction are properties that influence natural selection - influences what is being naturally selected.
Because life couldn’t exist as we know it if there wasn’t an inherent desire to live. If living organisms didn’t have that inate drive to continue living, all species would become extinct before ever evolving.
Though I don’t have any actual knowledge in this area so who knows if I’m right. Just my assumptions!
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Now this is speculation on my part, but I assume that any organisms that didn’t have this innate drive randomly present in their biology, they died off, so all that’s left now are the organisms with this drive.
So organisms that didn’t seek out reproduction at our earliest form of life, are dead and what remains are the organisms that randomly developed with this drive.
It exists because we wouldn’t be here if it didn’t. That’s all there is to it really. You’re asking for an answer if “why”. Why did the earth form in the exact place that it did? Things are allowed to arise randomly, and natural selection isn’t an explanation for the begging of the universe