What do you mean by speciation ?
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Answer:
Speciation is the evolutionary process by which populations evolve to become distinct species. The biologist Orator F. Cook coined the term in 1906 for cladogenesis, the splitting of lineages, as opposed to anagenesis, phyletic evolution within lineages.
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A speciation is a population, or groups of populations, whose members have the potential to interbeed to produce fertile, viable offspring.
Species formation can occur either through allopatric (geographic) speciation or through sympatric speciation
Speciation results in the splitting of an ancestral species into two (or more) descendent species.
This process, continued indefinitely, results in a sequence of speciation events extending over great expanses of time, resulting in a branching tree of historical relatedness.