A small population of a species invades an island where the species is not found.The population subsequently diverges from the ancestral population and becomes a new species.This is an example of

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The peripheral isolate mode of allopatric speciation occurs when a small population of a species invades a geographically isolated area, such as an island, and diverges from the ancestral population, eventually becoming a new species. This is the most likely scenario described in the given question. The dumbbell model of allopatric speciation involves two geographically isolated populations that diverge and later come back into contact, while parapatric speciation involves speciation occurring in adjacent geographical areas without a physical barrier. Sympatric speciation occurs when speciation occurs within the same geographical region without any physical barriers.

A Small Population of a Species Invades an Island Where