Evolution Theory
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Evolution Theory

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Questions and Answers

What are the primary evolutionary processes that act on genetic variation?

  • Natural selection and genetic drift (correct)
  • Isolation and gene flow
  • Adaptation and speciation
  • Mutation and genetic recombination

    • What is one of the observable facts about living organisms that establishes evolution by natural selection?

  • Traits cannot be passed from generation to generation
  • Different traits confer different rates of survival and reproduction (correct)
  • All offspring survive to adulthood
  • Traits do not vary among individuals

    • Who conceived the theory of evolution by natural selection independently in the mid-19th century?

  • Charles Darwin and Alfred Russel Wallace (correct)
  • Alfred Russel Wallace and Jean-Baptiste Lamarck
  • Thomas Malthus and Charles Lyell
  • Charles Darwin and Gregor Mendel

    • In what book did Darwin first set out the theory of evolution by natural selection in detail?

    <p>On the Origin of Species</p> Signup and view all the answers

    Which level of biological organization has been influenced by the process of evolution?

    <p>Species</p> Signup and view all the answers

    What is the primary cause of evolution in biological populations?

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

    What is the main idea behind the theory of evolution by natural selection?

    <p>Organisms are adapted to their environments</p> Signup and view all the answers

    What did Charles Darwin and Alfred Russel Wallace independently conceive in the mid-19th century?

    <p>Theory of evolution by natural selection</p> Signup and view all the answers

    What observable fact about living organisms establishes evolution by natural selection?

    <p>More offspring are often produced than can possibly survive</p> Signup and view all the answers

    What does the process of evolution give rise to at every level of biological organization?

    <p>Biodiversity</p> Signup and view all the answers

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