Population are said to be allopathic whenA. they are physically isolated by natural barriersB. they sharing the same area, but cannot interbreedC. they live together and breed freely to produce viable offspringD. they are isolated, but often come together for breeding

Population are said to be allopathic whenA. they are physically isolat

1.	Population are said to be allopathic whenA. they are physically isolated by natural barriersB. they sharing the same area, but cannot interbreedC. they live together and breed freely to produce viable offspringD. they are isolated, but often come together for breeding
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Population are said to be allopathic whenA. they are physically isolated by natural barriersB. they sharing the same area, but cannot interbreedC. they live together and breed freely to produce viable offspringD. they are isolated, but often come together for breeding

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