Choose the best cause and effect sequence for the process of speciation by natural selection.
A. Variation ? Selection ? Reproductive Isolation ? Mutation ? Speciation
B. Mutation ? Variation ? Selection ? Reproductive Isolation? Speciation
C. Variation ? Reproductive Isolation ? Speciation ? Mutation ? Selection
D. Speciation ? Reproductive Isolation ? Selection ? Mutation ? Variation
E. Selection ? Speciation ? Reproductive Isolation ? Variation ? Mutation
Answer: B
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