Biology for IGCSE & O level - Variation And Selection (Section 7 - No. 40)
Which of the following statements best describes how natural selection leads to evolution?
All individuals in a population change their traits.
Individuals with advantageous traits survive and reproduce more successfully.
The environment directly causes individuals to change their traits.
All individuals in a population are equally likely to reproduce.
Explanation
Natural selection favors individuals with beneficial traits, increasing the frequency of those traits in subsequent generations.