State and describe any three factors responsible for the rise of new species
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The rise of new species is also known as speciation.
Geographical Barrier : It is related to the barrier which is made in our the nature its exrinsic in nature means any mountain or river which not allows gene flow .This leads reproductive isolation and hence they behave as 2 diffrent species now.
Natural Selection : Darwin and wallace suggested that new species arise from pre-existing species and hence it is related with
"Survival of the Fittest " .
Genetic drift : It means drastic change in the frequencies of population by chance may lead o rise of new species .
Geographical Barrier : It is related to the barrier which is made in our the nature its exrinsic in nature means any mountain or river which not allows gene flow .This leads reproductive isolation and hence they behave as 2 diffrent species now.
Natural Selection : Darwin and wallace suggested that new species arise from pre-existing species and hence it is related with
"Survival of the Fittest " .
Genetic drift : It means drastic change in the frequencies of population by chance may lead o rise of new species .
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Factors responsible for the rise of new species are:
#Geographic isolation: wherein geographic barrier prevent interaction between species.over a period of time, the sub-populations become more and more diversified from one another and finally form two different species.
#Genetic drift: the accidenta change in frequency of gene in a small population is called genetic drift.
#Natural selection:It is the process that results in the increased survival and reproductive success of individual that are well suited to their environment
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