1.

List four factors responsible for speciation .

Answer» Speciation is the process by which new species develop from the existing species. The important factors which could lead to speciation are:i. Geographical isolation of a population caused by various type of barriers such as mountain ranges, rivers and seas.ii. Genetic drift caused by drastic changes in the frequencies of particular genes by chance alone.iii. Natural selection - Variations caused in individuals due to natural selection.iv. Migration:-Migration of differnt species also led to evolvement of new species.


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