Question

what factors could lead to the rise of new species

Answer 1

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.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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Answer 2

1. Natural selection. 2 Process of genetic drift. 3 Genetic Mutation. 4 Geographical isolation. 5  Environmental factors on the isolated populations.