Impact of Climate Change on Local Ecosystems Study
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Questions and Answers

What is the primary vegetation type on the south-facing slope of Gregory Canyon?

  • Shrubland (correct)
  • Deciduous forest
  • Grassland
  • Desert

    • How has Gregory Canyon been impacted by land-use change according to the text?

  • It remains a natural environment largely unaffected by land-use change. (correct)
  • It has become a barren wasteland.
  • It has been turned into an urban area.
  • It has lost its natural vegetation due to development.

    • What is one reason behind some ant species becoming less widespread or undetected in Gregory Canyon?

  • Climate change affecting their habitats
  • Lack of suitable nesting sites
  • Overuse of pesticides by researchers
  • Increased competition from expanding ant species (correct)

    • Why are ants considered essential ecosystem engineers?

    <p>They accelerate the decomposition of dead plants and animals.</p> Signup and view all the answers

    What potential impact does a reduction in ant biodiversity have on an ecosystem?

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

    What is the main reason why ants are considered a good marker to study the impact of climate change on ecosystems?

    <p>Their body temperature depends on the environment's temperature.</p> Signup and view all the answers

    What did the researchers aim to investigate by sampling the ant populations in Gregory Canyon in 2021 and 2022?

    <p>Whether the ant community had changed since the study conducted by Browne and Gregg in the late 1950s.</p> Signup and view all the answers

    Why did climate change force certain ant species out of their original habitats in Gregory Canyon?

    <p>The ants could not tolerate higher temperatures.</p> Signup and view all the answers

    What distinguishes ants from other insects in terms of their sensitivity to environmental conditions?

    <p>Their body temperature dependence on the environment's temperature.</p> Signup and view all the answers

    What unique feature of Gregory Canyon's north-facing slope makes it distinct from other parts of the canyon?

    <p>Cool temperatures and dominance of pine and fir trees.</p> Signup and view all the answers

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