Ecology: Native and Nonnative Species
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Questions and Answers

What is the term for species that normally live and thrive in a particular ecosystem?

  • Nonnative species
  • Invasive species
  • Exotic species
  • Native species (correct)

    • What is the term for species that provide early warnings of damage to a community or an ecosystem?

  • Foundation species
  • Keystone species
  • Indicator species (correct)
  • Native species

    • What term describes species that have a large effect on the types and abundances of other species in an ecosystem?

  • Keystone species (correct)
  • Native species
  • Foundation species
  • Nonnative species

    • What role do keystone species play in helping to sustain an ecosystem?

    <p>Pollination of flowering plant species</p> Signup and view all the answers

    What is the term for species that play a critical role in maintaining the structure of an ecosystem?

    <p>Foundation species</p> Signup and view all the answers

    What is the term for species that are introduced into an ecosystem deliberately or accidentally?

    <p>Nonnative species</p> Signup and view all the answers

    What is a common function of keystone species?

    <p>Regulating populations of other species</p> Signup and view all the answers

    What is the term used to describe the process of creating and enhancing habitats by foundation species?

    <p>Ecosystem engineering</p> Signup and view all the answers

    Which of the following is an example of a foundation species?

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

    What is the main difference between keystone species and foundation species?

    <p>Foundation species create habitats</p> Signup and view all the answers

    What is an example of a foundation species' impact on an ecosystem?

    <p>Accelerating nutrient cycling rates</p> Signup and view all the answers

    What is a result of elephants' activities in African grasslands and woodlands?

    <p>Promoting the growth of grasses and forage plants</p> Signup and view all the answers

    What is the term used to describe a species' way of life in a community?

    <p>Ecological niche</p> Signup and view all the answers

    Which type of species has a broad niche and can live in many different places?

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

    What is a potential consequence for specialist species when environmental conditions change?

    <p>They are more prone to extinction</p> Signup and view all the answers

    What is the role of a species in its ecosystem that includes everything that affects its survival and reproduction?

    <p>Ecological niche</p> Signup and view all the answers

    What is another term for a species' ecological niche?

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

    What is the place where a species lives?

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

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