Superbugs & Evolution Quiz

Which of the following is necessary for natural selection to occur?

• Genetic variation

• Unlimited resources

• Lack of competition

• Equal survival of all individuals

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What happens to a population of bacteria when antibiotics are overused?

• All bacteria die instantly

• Bacteria evolve resistance through natural selection

• Bacteria stop reproducing

• The bacteria become weaker over time

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What role do mutations play in evolution?

• They always harm an organism

• They create genetic variation, which can lead to beneficial traits

• They only happen in response to environmental changes

• They eliminate competition between organisms

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Why did finches with larger beaks survive better during droughts on the Galápagos Islands?

• They could eat harder, larger seeds that were still available

• They ate different food than other finches

• They migrated to another island

• They were protected by humans

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What is the primary reason bacteria can evolve resistance to antibiotics so quickly?

• They reproduce rapidly and can pass on mutations quickly

• They can choose when to mutate

• They are not affected by antibiotics at all

• They rely on help from other species to survive

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Which of the following is an example of an adaptation?

• A bear learning to hunt better

• A bird developing a longer beak over generations

• A dog being trained to sit

• A person lifting weights to become stronger

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How does overproduction of offspring contribute to natural selection?

• It increases competition for resources, favoring individuals with beneficial traits

• It ensures that all offspring survive

• It weakens the species over time

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What happens to traits that do not help an organism survive in its environment?

• They become more common

• They disappear from the population over generations

• They are immediately eliminated

• They mutate into better traits

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Which of the following is a correct statement about evolution?

• Individuals evolve within their lifetime

• Evolution happens over many generations

• Evolution only happens when an environment changes

• Evolution is completely random

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Why is antibiotic resistance a problem for public health?

• It makes bacteria more useful for medicine

• It causes bacteria to grow slower

• It makes infections harder to treat

• It eliminates all bacteria from the environment

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