Microorganisms
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Questions and Answers

What are microorganisms?

  • Tiny living organisms not visible to the naked eye (correct)
  • Non-living organisms
  • Large living organisms
  • Visible living organisms

    • Where can microorganisms be found?

  • Only in soil
  • Everywhere on Earth (correct)
  • Only in air
  • Only in water

    • What are some of the roles of microorganisms in ecosystems?

  • Nutrient cycling (correct)
  • Breakdown of organic matter
  • Production of antibiotics
  • Decomposition

    • What are pathogens?

    <p>Harmful microorganisms</p> Signup and view all the answers

    How are viruses classified?

    <p>Based on their genetic material and the type of host cell they infect</p> Signup and view all the answers

    What does biodiversity measure?

    <p>Variation at the genetic, species, and ecosystem level</p> Signup and view all the answers

    Where is biodiversity usually greater?

    <p>In the tropics</p> Signup and view all the answers

    What percentage of the world's species does tropical forest ecosystems contain?

    <p>About 90%</p> Signup and view all the answers

    Where is marine biodiversity usually higher?

    <p>Along coasts in the Western Pacific</p> Signup and view all the answers

    What is likely to slow the increase of biodiversity in the future?

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

    __________ is the variety and variability of life on Earth.

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

    Biodiversity is a measure of variation at the __________ level.

    <p>genetic, species, and ecosystem</p> Signup and view all the answers

    Biodiversity is usually greater in the __________.

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

    Tropical forest ecosystems cover less than 10% of Earth's surface and contain about __________ of the world's species.

    <p>90%</p> Signup and view all the answers

    Marine biodiversity is usually higher along coasts in the __________, where sea surface temperature is highest.

    <p>Western Pacific</p> Signup and view all the answers

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