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Multiple Choice
Generation-to-generation change in the allele frequencies in a population is _____.
A
microevolution
B
speciation
C
macroevolution
D
genetic drift
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1
Understand the key terms related to evolutionary biology: 'microevolution', 'macroevolution', 'speciation', and 'genetic drift'.
Microevolution refers to small-scale changes in allele frequencies within a population over generations.
Macroevolution involves larger evolutionary changes that can lead to the formation of new species or groups over long periods.
Speciation is the process by which new species arise, often as a result of macroevolutionary changes.
Genetic drift is a mechanism that can cause microevolution by random changes in allele frequencies, but it is not the term for the overall change in allele frequencies itself.