Biogeography is a science that is concerned with the study of the laws (and specificities) of the distribution of the individual species of organisms and the individual groups of organisms on the Earth. The presence or absence of species in a certain territory is explained in terms of differences in local conditions, the manner of migration (relocation in space from generation to generation) of the members of the individual species, changes in the spatial distribution of land on the globe and adaptive radiation of species at a particular site.

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The classical Darwinian theory of evolution can explain the evolution of adaptive traits only in asexual organisms. The frozen plasticity theory is much more general: It can also explain the origin and evolution of adaptive traits in both asexual and sexual organisms Read more