Evolution and Natural Selection Quiz

What is the main difference between natural selection and artificial selection?

• Artificial selection occurs in the wild, while natural selection is controlled by humans.

• Natural selection is based on environmental factors, while artificial selection is controlled by humans.

• Natural selection happens quickly, while artificial selection takes millions of years.

• Artificial selection produces weaker organisms than natural selection.

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Why was Darwin’s theory of evolution more powerful than earlier ideas?

• He explained the mechanism of evolution (natural selection).

• He was the first to suggest that living things change.

• He provided exact predictions about future evolution.

• He was the only scientist who studied fossils.

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Which of these is an example of an adaptation?

• The ability to fly in birds.

• A bird having the same color as its ancestor.

• A random mutation with no effect on survival.

• A change in eye color in one individual.

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What is the best example of homologous structures?

• A bird’s wing and an insect’s wing.

• A dolphin’s flipper and a human’s arm.

• A shark’s fin and a whale’s tail.

• A horse’s hoof and a deer’s antler.

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Which of these provides the strongest molecular evidence for evolution?

• Fossils showing changes in species over time.

• The presence of homologous structures.

• The discovery that all living things use DNA and RNA.

• The observation that some organisms survive in extreme environments.

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A scientist studies a beetle population and notices that red beetles are being eaten more than brown beetles. What is the likely outcome?

• Red beetles will become more common.

• Brown beetles will increase over generations.

• The birds will stop eating the red beetles.

• The population of beetles will remain the same.

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Which of the following statements about biogeography supports evolution?

• Similar species are found in different regions but have unique adaptations.

• Organisms in the same habitat always evolve the same traits.

• Evolution only happens on islands.

• Biogeography only applies to land animals.

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Which structure is an example of a vestigial organ?

• The human appendix.

• The wings of an eagle.

• The sharp claws of a lion.

• The eyes of a hawk.

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What conclusion did Darwin make about finches on the Galapagos Islands?

• They all evolved from different ancestors.

• Their beak shapes evolved based on food sources.

• Their beaks changed randomly with no purpose.

• They are identical to mainland finches.

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Which of the following discoveries best supports the theory of common ancestry?

• The presence of similar diets in different species.

• The presence of vestigial structures.

• The discovery of DNA and genetic similarities.

• The ability of different species to live in the same habitat.

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