Intro to Evolution: Species, DNA, Mutations
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Questions and Answers

Which of the following is a result of an environmental event that only a few individuals survive, leading to a change in the probability of seeing a certain trait in the population?

  • Genetic Drift
  • Directional Selection
  • Bottleneck Effect (correct)
  • Founder Effect
  • What is the term for the process by which a new species emerges from a single ancestral species due to physical separation of populations?

  • Disruptive Selection
  • Speciation (correct)
  • Allopatric Speciation
  • Sympatric Speciation
  • What is the primary evidence that supports the theory of evolution from embryology?

  • Close similarity of internal anatomy (correct)
  • Similarity in adult morphology
  • Differences in fetal development
  • Vestigial structures in embryonic development
  • Which type of selection favors individuals that vary in one direction from the original, leading to a shift in the population's mean?

    <p>Directional Selection</p> Signup and view all the answers

    What is the term for the study of the geographic distribution of organisms and their evolutionary relationships?

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

    What is the driving force behind natural selection?

    <p>Selective Pressure</p> Signup and view all the answers

    Which of the following describes the ability to survive and reproduce in a particular environment?

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

    What causes the alteration in the structure or function of an organism that increases its fitness?

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

    Which process involves better-adapted organisms surviving and producing more offspring?

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

    What type of mutation increases the chances for survival or reproduction?

    <p>Adaptive Mutation</p> Signup and view all the answers

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