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Which of the following is a necessary step in the process of speciation?

Differential success

Environmental instability

Genetic mutation

Reproductive isolation

Genetic Mutation

Explanation:

Speciation can be driven by evolution, which is a process that results in the accumulation of many small genetic changes called mutations in a population over a long period of time.

There are a number of different mechanisms that may drive speciation.

Two of them to point out here.

1. natural selection

2. genetic drift

genetic drift describes random fluctuations in allele frequencies in populations, which can eventually cause a population of organisms to be genetically distinct from its original population and result in the formation of a new species.

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there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link: