North American Prairie Ecosystem Quiz
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Questions and Answers

What type of ecosystem used to exist across much of the United States from the Mississippi River to the Rocky Mountains?

  • Tundra
  • Rainforest
  • Prairie (correct)
  • Desert
  • Which Act in 1862 gave Euro-Americans an opportunity to own land that was previously the ancestral land of many Native American nations?

  • The Homestead Act (correct)
  • The Agricultural Act
  • The Land Ownership Act
  • The Settlement Act
  • What did early Euro-American settlers primarily convert the prairie land to for use?

  • Protected wildlife reserves
  • Agricultural use (correct)
  • Residential areas
  • Commercial forests
  • What is one of the critical roles of the prairie ecosystem mentioned in the text?

    <p>Serving as a habitat for diverse organisms</p> Signup and view all the answers

    In addition to fertile soil, what other ecosystem service does the prairie provide according to the text?

    <p>Water filtration</p> Signup and view all the answers

    What type of activity did early Euro-Americans engage in across the open expanse of the Great Plains according to the text?

    <p>Cattle herding</p> Signup and view all the answers

    What major economic activity is mentioned as providing jobs and food in the prairie ecosystem?

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

    How many American bison were estimated to be in population around 1800?

    <p>60 million</p> Signup and view all the answers

    What does the bison population graph show regarding their numbers over time?

    <p>Steady decline</p> Signup and view all the answers

    In what way were bison identified in the prairie ecosystem by scientists?

    <p>As a keystone species</p> Signup and view all the answers

    What were the primary sources of impacts by human activities on the bison population?

    <p>Hunting, habitat destruction, and competition</p> Signup and view all the answers

    Why is the prairie ecosystem considered significant beyond economic activities?

    <p>Due to its high biodiversity</p> Signup and view all the answers

    What is the main goal of the American Prairie Reserve conservation plan?

    <p>To restore the American prairie in Montana</p> Signup and view all the answers

    How might adding additional protected lands contribute to the 30 by 30 Initiative?

    <p>By helping achieve the goal of protecting 30% of lands by 2030</p> Signup and view all the answers

    How do bison potentially impact cattle when they graze on public lands?

    <p>By competing with cattle for resources</p> Signup and view all the answers

    What right do ranchers have regarding grazing on public lands?

    <p>They have the right to allow their cattle to feed and roam freely on public lands</p> Signup and view all the answers

    Why might a higher biodiversity of herbivores be predicted when bison are present?

    <p>Bison reduce competition among herbivores, allowing for more species diversity</p> Signup and view all the answers

    In what way does the American Prairie Reserve aim to connect lands?

    <p>By purchasing private land to create connections</p> Signup and view all the answers

    What type of relationship exists between the pronghorn population and the coyote population in the model?

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

    In the context of bison removal from the prairie ecosystem, what effect would you predict on the system based on the information provided?

    <p>Decrease in biodiversity</p> Signup and view all the answers

    What is the difference in grass cover between areas with and without bison in the study?

    <p>Higher grass cover without bison</p> Signup and view all the answers

    Based on the information provided, what could account for the different levels of forb plants in areas with and without bison?

    <p>Bison feeding on forb plants</p> Signup and view all the answers

    How do scientists believe maintaining and increasing biodiversity contributes to conserving ecosystems?

    <p>It enhances ecosystem stability</p> Signup and view all the answers

    What do the red lines and blue lines represent in the model of the prairie ecosystem?

    <p>Red lines indicate positive relationships, blue lines indicate negative relationships</p> Signup and view all the answers

    How do residents feel about having ranches sold to the reserve?

    <p>Angry and opposed, wanting to maintain ownership of the land</p> Signup and view all the answers

    What is the primary role of bison for Indigenous people in the area?

    <p>Supplying food, shelter, clothing, tools, and cultural teachings</p> Signup and view all the answers

    How do most residents and tourists value the land in the American west?

    <p>For recreation and personal enjoyment</p> Signup and view all the answers

    Why might ranchers oppose the conservation plan of buying private land and connecting to public land?

    <p>They see it as a threat to their businesses and way of life</p> Signup and view all the answers

    What might be a potential trade-off for Native Americans if the conservation plan moves forward?

    <p>Loss of traditional lands or territories</p> Signup and view all the answers

    What recommendation might align with the 30 by 30 Initiative regarding connecting private and public land?

    <p>Support connecting private and public land for conservation purposes</p> Signup and view all the answers

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