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Evolutionary Theories Before Darwin Quiz
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Evolutionary Theories Before Darwin Quiz

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Questions and Answers

What did Lamarck's theory of use and disuse suggest?

  • That only random mutations drive evolutionary change.
  • That acquired characteristics cannot be passed on to offspring.
  • That organs that are not used gradually weaken and deteriorate. (correct)
  • That organs that are used more frequently become more complex.

    • What did Darwin's observations of mockingbirds in the Galápagos archipelago lead him to suspect?

  • All birds have the same origin.
  • Different species do not evolve from a common ancestor.
  • Different species evolve from a common ancestor. (correct)
  • Species variations are unrelated to common ancestors.

    • According to Lamarck's theory, what happens to organs that are not used frequently?

  • They gradually weaken and deteriorate. (correct)
  • They remain the same size.
  • They adapt to the environment.
  • They become stronger and larger.

    • Which scientist believed in the inheritance of acquired characteristics?

    <p>Jean-Baptiste Lamarck</p> Signup and view all the answers

    What did Darwin's study of fossil and living mammals in South America trigger?

    <p>The conviction that species evolve from common ancestors.</p> Signup and view all the answers

    How did Lamarck propose evolutionary change occurred?

    <p>By the inheritance of acquired characteristics.</p> Signup and view all the answers

    Which concept is NOT accounted for by Lamarck's theory of use and disuse?

    <p>Role of random mutations.</p> Signup and view all the answers

    Why is Lamarck's theory largely discredited in evolutionary biology?

    <p>It fails to explain the role of natural selection.</p> Signup and view all the answers

    What crucial element in driving evolutionary change did Lamarck's theory overlook?

    <p>Natural selection</p> Signup and view all the answers

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