Allgayer, Heloisa (Author)
This article aims to deal with the concept of species at Darwin's time and its implications for the classification of living beings. The word species received several definitions, inferred from its use, and there was no standard among experts. According to Darwin, a species could be considered as a well-marked variety. Natural selection would act gradually, causing in living beings slight variations that accumulate over time. The accumulation of slight variations over a long period would lead to the emergence of well marked and distinguishing characteristics. In his book The Origin of Species, Darwin exposes the inadequacy of the concept of species of living beings in the ratings due to the lack of a univocal understanding of this concept among experts of the time. In the present work will be discussed that, in exposing the problem, Darwin uses it as an argument in favor of the principle of natural selection as a mechanism for the origin of new species, relating it to the nature, structure, scope and limitations of this principle. Keywords: concept of species; origin of species; natural selection
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