MCQ
Role of isolation in evolution is:
- ADifferentiation of species.
- BMaintenance of species.
- CEvolutionary divergence.
- DExtermination of species.
Explanation:
Speciation that occurs when one population becomes geographically separated from the rest of the species and subsequently evolves by natural selection and /or genetic drift is known as allopatric speciation.
Allopatric speciation is the most common method of speciation and accounts for almost all evolution of new animal species.
Differentiation of species is a wrong option because individuals show differentiation not species. Isolation is not related to maintenance or extermination of species.
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