Which of the following evolution-related events is in the correct cause-and-effect sequence?

a. mutation ? variation ? natural selection ? adaptation ? speciation
b. variation ? adaptation ? mutation ? natural selection ? speciation
c. speciation ? adaptation ? variation ? mutation ? natural selection
d. mutation ? speciation ?adaptation ? variation ? natural selection
e. natural selection ? variation ? mutation ? adaptation ? speciation


ANSWER: a

Biology & Microbiology

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