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re: Why does society worship science, but ignore natural selection in the human race?
Posted on 5/4/21 at 7:39 pm to McCaigBro69
Posted on 5/4/21 at 7:39 pm to McCaigBro69
quote:
survival of the fittest
Is now and always has been the engine that drives natural selection.
The definition of the word "fittest" is ever-changing, to make sense in terms of what characteristics of a mutated individual give them a significant advantage to survive and reproduce, while the rest of it's non-affected population fail and die away.
The mutation is completely unknown until it manifests, but when it does, and provides significant inheritable benefits, we see a shift in the concept of "fittest"
Eggheads claim NS is a moot point in terms of human evolution because of the artificial mutation called "wealth"
Malarke. Just a new definition of "mutation."
Besides, physical characteristics still matter, and influence our breeding... but again, fittest just doesn't mean what it used to.
Artificial insemination, fertility drugs, medical advances, nutrition improvements etc have altered our form and appearance more in the last 200 yrs than we have naturally over the previous millenia.
Regardless, natural selection is STILL the driving force.
This post was edited on 5/4/21 at 7:42 pm
2
Posted on 5/4/21 at 7:44 pm to 19
quote:This.
Is now and always has been the engine that drives natural selection.
The definition of the word "fittest" is ever-changing, to make sense in terms of what characteristics of a mutated individual give them a significant advantage to survive and reproduce, while the rest of it's non-affected population fail and die away.
The mutation is completely unknown until it manifests, but when it does, and provides significant inheritable benefits, we see a shift in the concept of "fittest"
Eggheads claim NS is a moot point in terms of human evolution because of the artificial mutation called "wealth"
Malarke. Just a new definition of "mutation."
Besides, physical characteristics still matter, and influence our breeding... but again, fittest just doesn't mean what it used to.
Artificial insemination, fertility drugs, medical advances, nutrition improvements etc have altered our form and appearance more in the last 200 yrs than we have naturally over the previous millenia.
Regardless, natural selection is STILL the driving force.
Natural selection still functions.
It just isn’t a readily visible event, like watching a TV show.
It is a generational event and the definition of “fittest” constantly changes.
This post was edited on 5/4/21 at 7:46 pm
Posted on 5/4/21 at 7:53 pm to 19
quote:
The definition of the word "fittest" is ever-changing, to make sense in terms of what characteristics of a mutated individual give them a significant advantage to survive and reproduce, while the rest of it's non-affected population fail and die away.
The definition of the word fitness still refers to reproductive success, and does not include the environmental conditions that may modulate specific traits. The degree that you see generation to generation modulation is extremely small, though, as quantifying what “advantage” is related by a mutation is not straight-forward, because the genetic code does not represent a 1-to-1 relationship between the code and the phenotype.
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