The primary mechanism by which populations adapt to their environment over time is:

A Genetic drift

B Gene flow

C Natural selection

D Mutation

✓ Correct Answer: Option C

Natural selection is the process where organisms better adapted to their environment tend to survive and produce more offspring, leading to an increase in the frequency of advantageous traits in the population.

💡 Why is C) the correct answer?

The correct answer to the question "The primary mechanism by which populations adapt to their environment over time is:" is Option C: Natural selection.

The other options — A) Genetic drift, B) Gene flow, D) Mutation — are incorrect for this IB Exam Prep question. As explained above: Natural selection is the process where organisms better adapted to their environment tend to survive and produce more offspring, leading to an increase in the frequency of advantageous traits in the …

📚 About This IB Exam Prep Practice Question

This 2-level IB Exam Prep question from the Biology topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free IB Exam Prep practice test or use flashcards for spaced repetition review.

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The primary mechanism by which populations adapt to their environment over time is:

✓ Correct Answer: Option C

📚 About This IB Exam Prep Practice Question

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