How Much Do You Know About Human Impact on Ecosystems?
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Questions and Answers

What are the consequences of human activities on ecosystems?

  • Ecosystems experience changes in their biotic and abiotic parts (correct)
  • Ecosystems remain unchanged
  • Ecosystems become more diverse
  • Ecosystems become more resilient
  • Where are the greatest changes in ecosystems taking place?

  • Developing countries (correct)
  • No changes are taking place
  • Developed countries
  • Both developed and developing countries
  • What is an example of unintended changes to ecosystems caused by human activities?

  • Planting more trees to increase biodiversity
  • Human waste entering natural ecosystems (correct)
  • Removing natural vegetation to create green spaces
  • Introducing new species to an ecosystem
  • What is the impact of removing natural vegetation from an ecosystem?

    <p>It alters the food webs and nutrient and energy cycles of the ecosystem</p> Signup and view all the answers

    What happens when a tree is cut down?

    <p>Birds and insects lose a place to live</p> Signup and view all the answers

    What are some potential consequences of altering food webs and nutrient cycles in ecosystems?

    <p>Changes in the distribution and abundance of species, loss of biodiversity, and reduced ecosystem services.</p> Signup and view all the answers

    How can human waste negatively affect natural ecosystems?

    <p>Human waste can build up to harmful levels and cause pollution, which can harm or kill organisms in the ecosystem.</p> Signup and view all the answers

    Why are changes to ecosystems often unintended?

    <p>Human activities can have complex and unpredictable effects on ecosystems, making it difficult to anticipate all of the consequences.</p> Signup and view all the answers

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