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Population Ecology Quiz
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Population Ecology Quiz

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@ImmenseForethought

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Questions and Answers

Which type of species has high rates of fecundity, low levels of parental investment in the young, and high rates of mortality before individuals reach maturity?

  • Top-down selected species
  • Bottom-up selected species
  • K-selected species
  • r-selected species (correct)
  • Which type of species has low rates of fecundity, high levels of parental investment in the young, and low rates of mortality as individuals mature?

  • Bottom-up selected species
  • K-selected species (correct)
  • r-selected species
  • Top-down selected species
  • What is the term for the control in which organisms in lower trophic levels are controlled by organisms at the top?

  • Bottom-up control
  • Top-down control (correct)
  • Intraspecific competition
  • Interspecific competition
  • What is the term for the control driven by producers in the ecosystem, where changes in plant populations impact the population of all species?

    <p>Bottom-up control</p> Signup and view all the answers

    Do all ecosystems have to be either top-down or bottom-up?

    <p>No, some ecosystems may exhibit both top-down and bottom-up controls at different times.</p> Signup and view all the answers

    Which type of species generally experiences stronger competition and lives near carrying capacity?

    <p>K-selected species</p> Signup and view all the answers

    What is the term for the control driven by producers in the ecosystem, where changes in plant populations impact the population of all species?

    <p>Bottom-up control</p> Signup and view all the answers

    Which type of species has high rates of fecundity, low levels of parental investment in the young, and high rates of mortality before individuals reach maturity?

    <p>r-selected species</p> Signup and view all the answers

    What is the term for the control in which organisms in lower trophic levels are controlled by organisms at the top?

    <p>Top-down control</p> Signup and view all the answers

    Do all ecosystems have to be either top-down or bottom-up?

    <p>No, ecosystems can be both top-down and bottom-up</p> Signup and view all the answers

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