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. (A)</p> Signup and view all the answers

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

<p>Reduced ecosystem stability (D)</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. (A)</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. (C)</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. (B)</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. (A)</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. (D)</p> Signup and view all the answers

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