High School Evolution

Which of the following best describes natural selection?

• A process where organisms better adapted to their environment tend to survive and produce more offspring.

• A random change in the DNA sequence of an organism.

• The movement of individuals into or out of a population.

• The intentional breeding of organisms to produce desired traits.

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What is the primary mechanism by which evolution occurs?

• Genetic drift

• Natural selection

• Gene flow

• Mutation

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Which scientist is credited with the theory of evolution by natural selection?

• Gregor Mendel

• Isaac Newton

• Charles Darwin

• Albert Einstein

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In the context of evolution, what does the term 'fitness' refer to?

• The physical strength of an organism

• The ability of an organism to survive and reproduce

• The speed at which an organism can run

• The health of an organism

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Which of the following is an example of a vestigial structure?

• Human appendix

• Bird wings

• Fish gills

• Dog tail

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What is the significance of the fossil record in understanding evolution?

• It provides evidence of past life forms and their changes over time.

• It shows the exact age of the Earth.

• It proves that all species were created at the same time.

• It demonstrates that evolution is a myth.

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Which of the following is a common misconception about evolution?

• Evolution is a gradual process.

• Humans evolved from monkeys.

• Natural selection leads to adaptation.

• All living organisms share a common ancestor.

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What is the role of mutations in evolution?

• Mutations always harm an organism.

• Mutations provide genetic variation that can lead to evolution.

• Mutations have no effect on evolution.

• Mutations only occur in response to environmental changes.

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Which of the following best explains the concept of 'survival of the fittest'?

• Only the strongest individuals survive.

• The individuals best adapted to their environment survive and reproduce.

• All individuals have an equal chance of survival.

• Survival is based on luck.

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What is an example of artificial selection?

• Breeding dogs for specific traits

• Wolves hunting in packs

• Birds migrating south for the winter

• Fish swimming upstream to spawn