Species Selection

On the other hand, this instinct to help meet the needs of other individuals of this population, instincts, which can be described as collectivist instincts. Clearly, for the survival of the population system of 'collectivism – individualism' should be in equilibrium, and which is supported by natural selection. Therefore, different quality of individuals in the population does not create such forms of competition that would lead to the elimination of low-quality individuals, not gives rise to natural selection. Individualism, collectivism is not the same populations balanced. Because competition between populations of different quality gives rise to elimination of low-grade populations, gives rise to natural selection. Intraspecific competition ('struggle' of opposites system 'Population – the population') is an integral part of interspecies natural selection, units of which are not high-quality individual, and high-quality population. On intraspecific competition as a driving force evolution can only speak in the event that the relationship of individuals within a population generate your own – intraspecific – natural selection.

But in this case, the unit of selection is not an individual, and population. Most high-quality population in competition with other populations, increasing their number of individuals and creating new high-quality population, eventually, after some number of generations, pushes out an ecological niche all its competitors. And if individuals of this population during the evolution undergone significant morphological changes, comes a new kind of animal. Perhaps the evolution of fauna in mainly carried out by denying one kind of born again kind of negated. The divergence of the species apparently occurs much less frequently when filling of free ecological niches.

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