"unnatural. The conflicting nature of the living world "Arcadi Navarro and Cuartell. Publications Universitat de Valencia, 2009.
Not long ago, in newspapers recently published findings about our ancestors close, noting that precisely the weaker, not stronger physically, survived in evolution, which contradicts the reporter-as Darwin's theory. The problem is that the supposed contradiction exists in the heads of most people and not just in the daring reporter misinformed.
these authors' book makes clear evolutionary theory and its foundations and simply rejects the argument above: adapting to the environment is not to be the strongest. Remains the species most commonly played in a particular environment, and small genetic variations that make individuals favor change best suited to new media, which will play and transmit their genes to the next.
This is the engine of evolution, you do not intend, and does not intend, nor is it good or bad, human concepts that serve as a justification for creationist positions or otherwise, mystification of nature. Ants that enslave fellow human beings, primates trying to kill others to gain new territories, lions kill the sons of deposed lion, etc are some examples of the false harmony of nature. On the other hand, there is collaboration and the cells of our body are a good example of this, cooperation is good to play better, at the expense the sacrifice of other cells can not, because if you try to kill the organism itself (cancer), and to be controlled as the immune mechanisms. So do the bees in their hives. That is, there is a constant struggle, cells or organisms as "bad" vary genetically and reproduce if they can avoid such checks, which must be neutralized by other cells that have also genetically diverse.
Finally, a good book appointments in order to expand knowledge is these aspects and others like the famous memes of Dawkins or religious-studies on natural enemy of the theory Darwinian-from an evolutionary standpoint.
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