Natural selection is a key mechanism of evolution. Which of the following is a necessary condition for natural selection to act on a population?
A
All individuals in the population must be identical.
B
There must be unlimited resources available for all offspring.
C
There must be variation in heritable traits among individuals.
D
Environmental conditions must remain constant over time.
✓ Correct Answer: Option C
Natural selection requires genetic variation within a population, as individuals with advantageous heritable traits are more likely to survive and reproduce, passing those traits to their offspring.
💡 Why is C) the correct answer?
The correct answer to the question "Natural selection is a key mechanism of evolution. Which of the following is a necessary condition for natural selection to act on a population?" is Option C: There must be variation in heritable traits among individuals..
The other options — A) All individuals in the population must be identical., B) There must be unlimited resources available for all offspring., D) Environmental conditions must remain constant over time. — are incorrect for this GED Exam Prep question. As explained above: Natural selection requires genetic variation within a population, as individuals with advantageous heritable traits are more likely to survive and reproduce, passing those traits to their offspring.
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This 2-level GED Exam Prep question from the Science topic is part of BrainForge Quiz's free exam preparation library.
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