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Multiple Choice
Natural selection is best described as __________.
A
the random change in allele frequencies in a population over time
B
the movement of genes between populations due to migration
C
the formation of new species from existing species
D
the process by which individuals with advantageous traits are more likely to survive and reproduce
Verified step by step guidance
1
Understand the concept of natural selection: Natural selection is a mechanism of evolution where individuals with traits that provide a survival or reproductive advantage are more likely to pass on their genes to the next generation.
Eliminate incorrect options: Review each provided option and determine if it aligns with the definition of natural selection. For example, 'random change in allele frequencies' refers to genetic drift, not natural selection.
Clarify the role of migration: The movement of genes between populations due to migration is called gene flow, which is distinct from natural selection.
Differentiate speciation: The formation of new species from existing species is known as speciation, which can result from natural selection but is not the definition of it.
Identify the correct answer: Recognize that natural selection is best described as 'the process by which individuals with advantageous traits are more likely to survive and reproduce,' as this aligns with the core principle of the concept.