Practice - Natural Selection
Practice Questions
Test your understanding with targeted questions
What is natural selection?
💡 Hint: Think about traits that help survive in an environment.
Name one condition necessary for natural selection to occur.
💡 Hint: What does it mean for individuals to have different traits?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main mechanism of evolution discussed in this section?
💡 Hint: Think about the process that explains the survival and reproduction of individuals with favorable traits.
True or False: Stabilizing selection increases variation in a population.
💡 Hint: Consider what happens to extreme traits in this type of selection.
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Challenge Problems
Push your limits with advanced challenges
Given a population of mice, some have light fur and some have dark. Suppose an environmental change makes the habitat darker. Predict the changes in fur color over the next generations and why that might happen.
💡 Hint: Think about how the environment interacts with trait visibility and predation.
You observe a population of butterflies that exhibit a range of wing patterns. If butterflies with intermediate patterns are more successful in avoiding predators, describe how you would expect the allele frequencies to change over time.
💡 Hint: Focus on how selection affects population traits over time!
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Reference links
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