Biodiversity Loss and Ecosystem Services
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Questions and Answers

What is defined as the thinning, fragmenting, or outright destruction of an ecosystem’s resources?

  • Overexploitation
  • Pollution
  • Habitat loss (correct)
  • Invasive species

    • Which term describes non-native species that disrupt local ecosystems?

  • Indigenous species
  • Native species
  • Invasive species (correct)
  • Endemic species

    • What process contributes to species depletion due to excessive harvesting?

  • Habitat restoration
  • Biodiversity enhancement
  • Ecosystem recovery
  • Overexploitation (correct)

    • Pollution can negatively impact ecosystems by adding substances at a rate that exceeds what capacity?

    <p>The natural degradation rate</p> Signup and view all the answers

    Which of the following is a major contributor to climate change that affects biodiversity?

    <p>Rising levels of greenhouse gases</p> Signup and view all the answers

    What influences biodiversity loss due to human factors?

    <p>Increasing consumption</p> Signup and view all the answers

    How do invasive species typically affect native species in an ecosystem?

    <p>By competing for resources</p> Signup and view all the answers

    The introduction of unneeded or harmful substances into an ecosystem is termed as?

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

    What primarily causes biodiversity loss related to global warming?

    <p>Changes in climatic conditions</p> Signup and view all the answers

    Which of the following is NOT considered an ecosystem service?

    <p>Production of goods in factories</p> Signup and view all the answers

    How do ecosystems affected by climate change impact species survival?

    <p>They disrupt the natural order of breeding</p> Signup and view all the answers

    What role do species play in maintaining a balanced ecosystem?

    <p>Species cooperate for mutual survival</p> Signup and view all the answers

    Which of the following is an example of a biological resource?

    <p>Medical resources and pharmaceutical drugs</p> Signup and view all the answers

    What is a significant effect of ice melting on ecosystems?

    <p>Reduction in habitats that rely on ice</p> Signup and view all the answers

    Which benefit arises from the social aspect of biodiversity?

    <p>Tourism and recreation</p> Signup and view all the answers

    What contributes to climate stability as an ecosystem service?

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

    Which of the following causes habitat loss?

    <p>Mining for materials</p> Signup and view all the answers

    What is the best definition of an invasive species?

    <p>An introduced organism that harms its new environment</p> Signup and view all the answers

    Which term refers to the harmful effects of a substance entering the environment?

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

    What primarily drives global warming?

    <p>Greenhouse gas emissions</p> Signup and view all the answers

    What does overexploitation refer to?

    <p>Harvesting a renewable resource beyond its capacity</p> Signup and view all the answers

    Which term describes long-term changes in climate patterns?

    <p>Climate Change</p> Signup and view all the answers

    How can greenhouse gases affect biodiversity?

    <p>They can lead to a worse environment for wildlife</p> Signup and view all the answers

    What are the results of climate change on global temperatures?

    <p>Increased heatwaves</p> Signup and view all the answers

    Which of the following is NOT a cause of biodiversity loss?

    <p>Cultural values</p> Signup and view all the answers

    What is the term for the addition of unneeded or harmful substances to an ecosystem?

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

    Biodiversity is best described as a measure of what?

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

    Which of the following natural services does healthy biodiversity NOT offer?

    <p>Human population growth</p> Signup and view all the answers

    Which factor is typically a consequence of pollution?

    <p>Loss of species</p> Signup and view all the answers

    What role does biodiversity play in climate change mitigation?

    <p>Supports ecosystem resilience</p> Signup and view all the answers

    Invasive species primarily contribute to biodiversity loss by doing what?

    <p>Competing with native species</p> Signup and view all the answers

    Which of the following is NOT a benefit of biodiversity?

    <p>Reduced resource competition</p> Signup and view all the answers

    How does biodiversity contribute to the resilience of ecosystems?

    <p>It increases the complexity of interactions among organisms.</p> Signup and view all the answers

    What role do healthy ecosystems play in climate change mitigation?

    <p>They serve as buffers against extreme weather events.</p> Signup and view all the answers

    Why is it important to restore high-biodiversity ecosystems?

    <p>They help stabilize food webs and cope with climate impacts.</p> Signup and view all the answers

    What is a consequence of reduced biodiversity in ecosystems?

    <p>Simplified food chains and reduced interaction complexity.</p> Signup and view all the answers

    Which statement is true regarding biodiversity's importance to food webs?

    <p>Biodiversity increases complexity and stability of interactions.</p> Signup and view all the answers

    What is one of the effects of climate change on ecosystems?

    <p>It can lead to increased flooding and storm intensity.</p> Signup and view all the answers

    What investment is suggested to help manage climate change impacts effectively?

    <p>Restoring and conserving high-biodiversity ecosystems.</p> Signup and view all the answers

    How does complexity in ecosystems relate to their performance?

    <p>High complexity aids in maintaining ecosystem functions.</p> Signup and view all the answers

    Study Notes

    Biodiversity Loss

    • Human Impact: Human population growth, increasing consumption, and reduced resource efficiency contribute to biodiversity loss.
    • Habitat Loss: Destroying or fragmenting ecosystems damages plant, soil, hydrologic, and nutrient resources, leading to biodiversity loss.
    • Invasive Species: Non-native species can disrupt native ecosystems by outcompeting native species for resources and altering habitats.
    • Overexploitation: Harvesting too many aquatic or terrestrial animals depletes populations and can drive species to extinction.
    • Pollution: Adding harmful substances to the environment at a rate faster than it can be neutralized negatively impacts food, water, and habitat resources.
    • Climate Change: Rising global temperatures disrupt ecosystems by altering temperature and rainfall patterns, damaging icy habitats, and modifying species' expectations within ecosystems.

    Ecosystem Services

    • Biodiversity delivers essential services such as water protection, soil formation and protection, nutrient cycling, pollution breakdown, climate stability, and recovery from unexpected events.

    Biodiversity Benefits

    • Biological resources: Food, medical resources, wood products, ornamental plants, breeding stocks, future resources, and genetic diversity are all dependent on biodiversity.
    • Social Benefits: Research, education, monitoring, recreation, tourism, and cultural values can be enhanced through biodiversity.

    Species Interdependence

    • Species rely on each other for survival and cooperation, forming balanced ecosystems.

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    Description

    This quiz explores the critical factors contributing to biodiversity loss, including human impact, habitat degradation, and climate change. Additionally, it examines the vital ecosystem services that biodiversity provides. Test your knowledge on these pressing environmental issues.

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