🎓 IB Exam Prep

Which of the following is *not* considered a core principle contributing to natural selection?

A Overproduction of offspring
B Inheritance of acquired characteristics
C Variation within a population
D Differential survival and reproduction

✓ Correct Answer: Option B

The inheritance of acquired characteristics is associated with Lamarckism, not Darwin's theory of natural selection. Natural selection relies on heritable variations that exist within a population.

💡 Why is B) the correct answer?

The correct answer to the question "Which of the following is *not* considered a core principle contributing to natural selection?" is Option B: Inheritance of acquired characteristics.

The other options — A) Overproduction of offspring, C) Variation within a population, D) Differential survival and reproduction — are incorrect for this IB Exam Prep question. As explained above: The inheritance of acquired characteristics is associated with Lamarckism, not Darwin's theory of natural selection. Natural selection relies on heritable variations that exist within a population.

📚 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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