Ecology and Population Dynamics
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Ecology and Population Dynamics

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Questions and Answers

What is the result of disruptive selection in a population?

  • The sudden appearance of new alleles in the population
  • A divergence of distinct groups of individuals within a population (correct)
  • The elimination of all alleles in the population
  • The average phenotype is favored

    • What determines population density in a particular environment?

  • Neither biotic nor abiotic factors
  • Only abiotic factors
  • Both biotic and abiotic factors (correct)
  • Only biotic factors

    • What is the study of changes in populations over time?

  • Population biology
  • Population genetics
  • Population ecology
  • Population dynamics (correct)

    • What type of distribution occurs when individuals are spaced in a manner unrelated to the presence of others?

    <p>Random distribution</p> Signup and view all the answers

    What is the term for the number of individuals of a species per unit of area or volume?

    <p>Population density</p> Signup and view all the answers

    What is a feature of populations that describes the age distribution of individuals?

    <p>Age structure</p> Signup and view all the answers

    What type of selection favors two or more different phenotypes in a population?

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

    What is the term for the study of the number of individuals of a particular species in an area?

    <p>Population ecology</p> Signup and view all the answers

    What is the term for the spread of individuals in a population?

    <p>Population dispersion</p> Signup and view all the answers

    What is the term for the rate at which a population grows or declines?

    <p>Growth rate</p> Signup and view all the answers

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