10
QuizMultiple Choice

The Theory of Evolution

Question 10 • SLPS-2001310-Earth/Space B -GF

Which list includes the main components of Darwin’s theory of evolution?

Answer
A
Random mutations drive evolution, the evolution of a population happens slowly, organisms have common ancestors, and organisms do not change.
B
Natural selection drives evolution, the evolution of a population happens slowly, organisms have common ancestors, and organisms change over time.
C
Natural selection drives evolution, the evolution of a population happens rapidly, organisms have common ancestors, and organisms change over time.
D
Random mutations drive evolution, the evolution of a population happens rapidly, organisms have common ancestors, and organisms do not change.

Explanation

Darwin’s theory emphasizes natural selection: individuals with helpful inherited traits are more likely to survive and reproduce. Across many generations, populations change, usually gradually, and different organisms share common ancestors. Therefore, the list describing natural selection, slow change, common ancestry, and organisms changing over time is choice B.

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