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This idea would follow from the Dobzhansky-Mayr theory of speciation.


A.) Geographic isolation happens before speciation.

B.) Speciation is not related to changes in the environment.

C.) Isolated populations evolve differences gradually as they adapt to the environment.

D.) The origin of species happens through adaptation by natural selection.

Verified Answer :

taskmasters

"Geographic isolation happens before speciation" is the one idea among the following choices given in the question that would follow from the Dobzhansky-Mayr theory of speciation. The correct option among all the options that are given in the question is the first option or option "A". I hope it helped you.

annyksl

Answer:

A.) Geographic isolation happens before speciation.

Explanation:

Dobzhansky-Mayr's theory of speciation states that when two populations become geographically isolated, whether because of a geological event, migrations or local extinctions, they evolve separately. After sufficient time for them to accumulate genetic differences, they will be reproductively isolated. If isolation is complete, speciation has occurred

With this we can conclude that the letter A represents an idea derived from Dobzhansky-Mayr's theory of speciation.

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