Earth's Subsystems

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Questions and Answers

What is the biosphere comprised of?

  • All living organisms on Earth (correct)
  • Only ecosystems
  • Only plants and animals
  • Only microorganisms

What is the main characteristic of deserts?

  • Low precipitation levels (correct)
  • Extreme temperatures only
  • Dense growth of trees
  • High precipitation levels

What percentage of the Earth's surface is covered by oceans?

  • 50%
  • 40%
  • 60%
  • 70% (correct)

What type of ecosystems are characterized by a dense growth of trees?

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

What is the primary feature of grasslands?

<p>Vast areas dominated by grasses (C)</p> Signup and view all the answers

What is the main function of ecosystems?

<p>Sustaining life and providing valuable services (C)</p> Signup and view all the answers

What is the characteristic of rainforests?

<p>Tropical ecosystems (C)</p> Signup and view all the answers

What is found in various climate zones?

<p>Forests across different climate zones (C)</p> Signup and view all the answers

What is the characteristic of coral reefs?

<p>Diverse marine environments (B)</p> Signup and view all the answers

What is the role of ecosystems in the biosphere?

<p>To sustain life and provide valuable services (A)</p> Signup and view all the answers

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