Biological evolution

Biological evolution is long-term, spontaneously occurring process, during which living systems are formed or were formed singly from nonliving systems, and these living systems then develop and mutually diversify.

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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