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Speciation is the development of a new species, which occur due to

populations of the new species becoming. The species live in a particular

environment separated to such an extent that they develop new 

characteristics until they become totally different species.


The process of speciation

⇒    Isolation occurs which separates a population, the isolation occurs due to

       a physical barrier

⇒    Conditions on either side of the barrier will be different and therefore the

        organism will develop different characteristics due to natural selection

⇒   Each population will show variation and therefore will have a wider range

      of alleles, in each population the ones with the preferred characteristics

      will survive and pass on those characteristics to the offspring

⇒   Eventually the two populations will be so different to such an extent that if

      they were to breed together they would not be able to produce fertile offspring.


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