Kladogeneza

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Cladogenesis - Divergent evolution. The species level is the result of one of the speciation mechanisms resulting in at least two species from one parent species. Divergence can also occur within the species, leading to the formation of eg geographic variants, but then it is not an example of cladogenesis due to the flow of genes between these separated populations. A situation in which a parent group evolves more than two groups of children is called politomy.

The effective rate of cladogenesis is the relation that modern evolutionary lines give rise to new evolutionary lines, also present in modern times. The instantaneous rate of cladogenesis is the result of the birth rate in an evolutionary line after subtracting the death rate from this line. birth rate in an evolutionary line after subtracting the death rate from this line.

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