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The importance of neutral null for understanding evolution

95 点作者 jonathansizz超过 8 年前

4 条评论

macawfish超过 8 年前
Evolutionary theory is uncannily similar to the Hebrew tetragrammaton, which is often translated into English as &quot;I am that I am&quot;. But digging in, you will find that it is the verb &quot;to be&quot; in both perfect (now) and imperfect (past&#x2F;future) tenses.<p>It means something like &quot;That which is now in a way consistent with that which has been and will be&quot;. To me, that&#x27;s evolution.<p>This is a reconciliation of philosophy and spirituality that I have found deep joy and peace in. I was raised Christian, and while I was never pressured to be creationist, neo-Darwinism left such a bad taste in my mouth that at a young, naive age, I embraced creationism as a way to rationalize things that my heart knew to be true.<p>But by the end of high school, I had come to terms with the beauty and depth of evolutionary theory. Thanks to more ecological versions of evolutionary theory, such as symbiogenesis, evolutionary understanding has since then become a cornerstone of my spirituality.<p>As an artist and musician, I also appreciate the &#x27;<i>creativity</i>&#x27; embedded in the process of evolution. Evolution says &quot;give it a try&quot;. If it doesn&#x27;t work, it tries something new. Once in a while, something sticks; it survives its own context some way or another. Other forms die out, like snapshots of some greater metamorphosis. We are lucky to witness them!
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amitprayal超过 8 年前
Then how can we account for butterflies that mimic wing coloration Of toxic counterparts to ward off birds.Evolution is not blind, we just have not figured out the feedback mechanism yet, most likely its some kind of genetic memory.
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mcguire超过 8 年前
&quot;<i>And the proper null hypothesis posits that it is a result of neutral evolution: that is, it survives by sheer chance provided that it is not deleterious enough to be efficiently purged by purifying selection.</i>&quot;<p>This is news?<p>And I claim precedence on the phrase &quot;just so story&quot; for those things biologists have been spouting for decades.
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teapejon超过 8 年前
Everything in creation is necessary, we just might not have need of it immediately.<p>Based on what you&#x27;ve done here there is a some unnecessary.