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R to Jinxmchue + basic explanation of principles of evolution
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: Not to mention that evolution doesn't have a "goal." Yeesh, the ignorance here is astounding.[[User:JPohl|JPohl]] 15:41, 24 June 2008 (EDT) +   
 
: Not to mention that evolution doesn't have a "goal." Yeesh, the ignorance here is astounding.[[User:JPohl|JPohl]] 15:41, 24 June 2008 (EDT) +   
 
:: Shows what you know! The goal of evolution is obviously to "evolve" in whatever manner it takes to destroy all of humanity. Who's ignorant now? Bobdobbs 15:47, 24 June 2008 (EDT)
 
:: Shows what you know! The goal of evolution is obviously to "evolve" in whatever manner it takes to destroy all of humanity. Who's ignorant now? Bobdobbs 15:47, 24 June 2008 (EDT)
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:::Jinxmchue perhaps you should better familiarise yourself with the principles of evolution and basic human biology before making claims such as the above. The theory of evolution states that organisms will undergo mutations, and the process of natural selection will determine which prosper (and hence are carried on) and which do not. A parasitic organism is not going to be doing itself any favours by killing its host, if it did then it would have minimal ability to survive and its genes would not be passed on to future generations.
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:::In addition, some bacteria do evolve (or have evolved in the past) to overcome their host's defences, the thing is that the body contains millions upon millions of variations of white blood cells and eventually one that possesses the capability to destroy the bacteria will encounter it, proliferate and destroy it. This likelihood is increased by the inflammatory response accompanying most organisms. In some caes our bodies cannot fight off infection, and that is the reason we develop modern antibiotics.
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:::Furthermore, a single mutated bacteria, or even a few hundred of its spawn, are not going to be capable of producing sufficient protetin to kill their host. Even if every protein produced was capable of destroying a cell (which never happens) it would take thousands if not millions of bacteria over a long time period to kill the host. Now this is where the catch is, it takes energy to produce proteins which the bacteria could otherwise be utilising for other things, like surviving. If a bacteria is pumping out enough proteins to kill the surrounding cells it will be diverted from its normal tasks (but please remember that a bacteria is not actually capable of thought) and will not stand much of a change of survival.
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:::Oh (and this sort of relates to all of the last three points), you should be aware that bacteria in the gastrointestinal tract (our guts) are in most cases not under attack by the human immune system as they are technically outside of the body. Therefore evolving to overcome the host's defences is not going to have any difference, and will just be wasting energy. [[User:NormanS|NormanS]] 19:14, 24 June 2008 (EDT)
    
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