Answer:
Yes,
geographical isolation of individuals of a species lead to formation of a new
species. If we consider the population of same species splitting into two
separate groups and getting isolated from each other geographically by various
barriers as sea, mountain, etc.
The geographical Isolation of the two groups lead to their reproductive
isolation due to which no genes are exchanged between them. However, breeding
continues within the isolated populations producing more and more generations.
Over the generations, genetic drift and natural selection is operated in the
isolated group and make them more different from other,
After many years, the individuals of isolated groups with
become so different that they will be incapable of reproducing with each other
(if they meet again) and new species will originate evolved.
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