Human Population Growth Curve Quiz
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Questions and Answers

What does biological diversity refer to?

  • The direct value species provide to people
  • The maximum number of individuals an environment can support
  • The variety of life-forms in an area (correct)
  • The annual growth rate of human populations

    • What does utilitarian mean in the context of species diversity?

  • The annual growth rate of species populations
  • Scientific research on ecosystem roles
  • Species' roles in ecosystems
  • Providing a product of direct value to people (correct)

    • Why is it common to say human populations grow at an exponential rate?

  • Because of their carrying capacity
  • Due to their distribution by age groups
  • Because of their annual growth rate
  • Because of their constant percentage growth rate (correct)

    • What is the carrying capacity referring to?

    <p>Maximum population that environmental resources can support</p> Signup and view all the answers

    What does public service mean in relation to nature's diversity?

    <p>Providing essential services to human life</p> Signup and view all the answers

    Why are species ecosystem roles considered essential?

    <p>Necessary for the persistence of ecosystems and all life</p> Signup and view all the answers

    What is a population?

    <p>A group of individuals of the same species living in the same area or interbreeding</p> Signup and view all the answers

    Which term refers to the statistical study of human populations?

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

    What determines how rapidly a population's abundance changes over time?

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

    What is the unit of time typically used when expressing birth, death, and growth rates for human populations?

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

    What does 'Crude growth rate' measure?

    <p>Net number added per 1,000 individuals per year</p> Signup and view all the answers

    What does 'General fertility rate' measure?

    <p>Number of live births expected in a year per 1,000 women aged 15-49</p> Signup and view all the answers

    What does species richness refer to in ecology?

    <p>The total number of species in an area</p> Signup and view all the answers

    Which term is used to describe the relative abundance of species in an ecological community?

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

    What is clumped dispersion in the context of species distribution?

    <p>Animals that move as a group, like migratory birds</p> Signup and view all the answers

    Which term is used for the ratio of individuals of a species to the unit area or volume?

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

    What does genetic diversity encompass among plants, animals, fungi, and microorganisms?

    <p>All the different genes contained in these organisms</p> Signup and view all the answers

    How do ecologists define ecosystem diversity?

    <p>Different habitats, biological communities, and ecological processes</p> Signup and view all the answers

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