what factor could lead to the rise of new species
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geographical isolation , genetic drift etc.
.2) Genetic drift: Accidental change in allele frequencies that may result in extinction of poulation or formation of new species from them3) Natural selection: Selection performed by nature, of the best suited varieties ( having favourable variations)to survive and destruction of the less suited varieties through exposure to environmental stresses.
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Factors that could lead to the rise of a new species are:
1)Geographical barrier: Extrinsic geographical barriers such as rivers, mountains, etc between two populations which allows no gene flow and leave them to become new two species.
1)Geographical barrier: Extrinsic geographical barriers such as rivers, mountains, etc between two populations which allows no gene flow and leave them to become new two species.
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1)Geographical barrier: Extrinsic geographical barriers such as rivers, mountains, etc between two populations which allows no gene flow and leave them to become new two species.