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Which of the following ideas would follow from the Dobzhansky-Mayr theory of speciation

User PcnThird
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A. Geographic isolation happens before speciation.

is the answer



User Whit Waldo
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Dobzhansky and Mayr thought that the evolution of a new species is linked to the environmental changes.  Geographic isolation happens before speciation and isolated populations evolve differences gradually as they adapt to the environment are the ideas that would follow the Dobzhansky-Mayr theory of speciation.
User Fumihiko
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