Natural Selection Quiz

What are three factors that affect the process of natural selection?

• overpopulation, variation, and competition

• overproduction, overpopulation, and competition

• competition, variation, and survival

• overproduction, variation, and competition

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What do you call any difference between individuals of the same species?

• competition

• mutation

• variation

• overproduction

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Which of the following statements is accurate?

• Genetic variations and environmental factors contribute to evolution by gradual changes.

• Genetic variations and environmental factors contribute to evolution by natural selection.

• Genetic variations and environmental factors contribute to evolution by scientific theory.

• Genetic variations and environmental factors contribute to evolution by species adaptation.

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Which situation does not support Darwin’s theory of evolution by natural selection?

• A. A sea turtle lays 80 to 120 eggs at one time to ensure that some survive.

• B. Giraffes use their necks to reach for food and pass on the trait for long necks.

• C. In a population of frogs, there is a wide variation of color patterns.

• D. Hawks and owls living in the same area must compete for food and shelter.

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What did Darwin realize about the variations in beak shape among finches on the Galápagos Island?

• They were caused by finches eating berries instead of seeds.

• They were caused by finches competing with birds from the mainland.

• They were caused by finches adapting to new surroundings.

• They were caused by finches needing to attract better mates.

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What is an inherited behavior or physical change that helps an organism survive and reproduce in its environment?

• adaptation

• variation

• evolution

• species

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Juanita learns that gray tree frogs and green tree frogs both live in the southern United States. However, the two types of frogs have different coloring. The gray tree frogs live in forests, and they blend in with the bark on the trees. The green tree frogs are green and blend in with the tall reeds and grasses of the wetland areas. Natural selection helps the gray tree frogs in the forests and the green tree frogs in wetlands. What is natural selection?

• a process by which modern organisms have descended from ancient organisms and changed over time

• the natural process by which something takes place

• the process by which individuals better adapted to their environment are more likely to survive and reproduce

• any change to genetic material

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Natural selection is affected by which factors? Choose the three answers that apply.

• overproduction

• variation

• mechanism

• competition

• evolution

Change over time; the process by which modern organisms have descended from ancient organisms

• Adaptation

• Evolution

• Fitness

• Variation

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An inherited behavior or physical characteristic that helps an organism survive and

     reproduce in its environment

• Adaptation

• Evolution

• Fitness

• Variation

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