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Originally Posted by puckluck
Nope you're understanding it perfect, but if something gets created from another specie then how was the very first specie created.
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That's always a matter of debate and something that both science and creationism have a hard time answering. The scientific belief is just that it was just, at its heart, basically random chance IIRC (I only have my basic high school understanding and 1 course in organic chemistry to back this up). High amounts of amino acids attracted a substance to use them and that substance basically became life.
Again, this is an extremely difficult question to answer for either side and I'm not entirely sure where the answer lies myself.
Quote:
Originally Posted by Flabbibulin
To play devil's advocate, then explain why essentially all genetic mutations observed in the modern world are harmful to an organism, and almost never give an advantage over its competitors??
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Genetic mutations are crapshoots. Not all mutations are good and that's what you're saying.
Though in a seperate realm from evolution, the theory of natural selection helps explain why the negative traits are removed and why, in hindsight, it may look like a linear pattern and that, for some reason today, there is a disconnect in the amount of positive traits being existent. It's just that all the negative traits are more likely to be removed by being easier to eat/harder to live, so the mutation strain gets removed pretty quickly. However, it's more likely that the better strains survive (though this can be removed sometimes by natural disasters), so these "improvement" pass their genes on more.
EDIT - Revising post to Flabbibulin's edit.
- I think it's all just part of luck and chance. If [x] doesn't provide a better chance of survival, it's just luck that [x] strain instead of [y] strain survived (ie eye colour).