Gr 8 Natural Sciences Ch 1.2: Conservation of the ecosystem
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Questions and Answers

What is a key benefit of biodiversity in ecosystems?

  • Decreased ecosystem services
  • Improved resilience and stability (correct)
  • Increased vulnerability to environmental changes
  • Reduced need for conservation efforts

    • What can be a consequence of harming one component of an ecosystem?

  • An immediate recovery of the ecosystem
  • Only a localized impact
  • No effect on other components
  • A cascading effect on other components (correct)

    • What is the primary goal of conservation efforts?

  • To promote urban development
  • To reduce pollution only
  • To protect and preserve the natural environment (correct)
  • To increase global warming

    • What is a long-term benefit of conservation efforts?

    <p>Availability of natural resources for future generations (A)</p> Signup and view all the answers

    Which of the following is a key threat to ecosystems?

    <p>Deforestation (B)</p> Signup and view all the answers

    What is a role of environmental organizations in conservation efforts?

    <p>Implementing conservation projects and advocating for environmental protection (C)</p> Signup and view all the answers

    What is a benefit of establishing protected areas?

    <p>Conservation of habitats and species (D)</p> Signup and view all the answers

    What is the result of the intentional burning of vegetation for land clearing?

    <p>Soil erosion and loss of habitats (B)</p> Signup and view all the answers

    What is a major contributor to climate change?

    <p>Emissions of greenhouse gases from industrial activities (B)</p> Signup and view all the answers

    What is a threat to rhino conservation in South Africa?

    <p>Poaching for their horns (B)</p> Signup and view all the answers

    What is a management strategy for invasive species?

    <p>Mechanical removal and biological control (D)</p> Signup and view all the answers

    What is the effect of non-native plants and animals on ecosystems?

    <p>They outcompete, prey on, or bring diseases to native species (C)</p> Signup and view all the answers

    What is a major consequence of illegal hunting and poaching?

    <p>Population declines and disruption of ecological balance (C)</p> Signup and view all the answers

    What is a way individuals can contribute to conservation efforts?

    <p>Reducing their ecological footprint (D)</p> Signup and view all the answers

    Why is it important to conserve ecosystems?

    <p>To maintain biodiversity and ecosystem services (C)</p> Signup and view all the answers

    What is the result of habitat destruction?

    <p>Reducing biodiversity and disrupting ecosystem services (A)</p> Signup and view all the answers

    What is a consequence of the loss of a predator in an ecosystem?

    <p>The prey species will overpopulate and overgraze vegetation (A)</p> Signup and view all the answers

    What is a benefit of sustainable development in terms of ecosystem health?

    <p>It maintains ecosystem health and supports economic activities (C)</p> Signup and view all the answers

    What is a role of local communities in conservation efforts?

    <p>They engage in conservation efforts and promote sustainable livelihoods (A)</p> Signup and view all the answers

    What is a strategy used to manage invasive species?

    <p>Mechanical removal and biological control (D)</p> Signup and view all the answers

    What is a consequence of overexploitation of natural resources?

    <p>It can lead to the depletion of natural resources (A)</p> Signup and view all the answers

    What is a goal of conservation efforts in terms of natural resources?

    <p>To ensure the availability of natural resources for future generations (A)</p> Signup and view all the answers

    What is a benefit of international agreements on conservation?

    <p>They support global conservation efforts and cooperation (B)</p> Signup and view all the answers

    What is a role of governments in conservation efforts?

    <p>They enact laws and regulations to protect the environment (B)</p> Signup and view all the answers

    What is the main reason why human activities disrupt the natural processes that allow ecosystems to recycle materials and maintain balance?

    <p>Human activities disrupt the natural balance of ecosystems (B)</p> Signup and view all the answers

    What is a consequence of deforestation?

    <p>Reducing biodiversity and disrupting ecosystem services (C)</p> Signup and view all the answers

    What is a key consequence of climate change?

    <p>Disruption of habitats and the survival of many species (B)</p> Signup and view all the answers

    What is a key characteristic of alien invasive species?

    <p>They can outcompete, prey on, or bring diseases to native species (B)</p> Signup and view all the answers

    What is a consequence of illegal hunting and poaching?

    <p>Population declines and disruption of ecological balance (B)</p> Signup and view all the answers

    What is a key reason why conservation efforts are necessary?

    <p>To protect and preserve the natural environment (B)</p> Signup and view all the answers

    What is a key consequence of pollution?

    <p>Harming wildlife and disrupting ecosystems (A)</p> Signup and view all the answers

    What is a key goal of conservation efforts in terms of ecosystems?

    <p>To ensure ecosystems remain healthy and biodiversity is maintained (A)</p> Signup and view all the answers

    What is the primary cause of habitat destruction?

    <p>Deforestation and burning (B)</p> Signup and view all the answers

    Which of the following is NOT a consequence of habitat destruction?

    <p>Rise in sea levels (C)</p> Signup and view all the answers

    What is a key characteristic of alien invasive species?

    <p>Non-native to the ecosystem (A)</p> Signup and view all the answers

    What is a major contributor to climate change?

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

    Which of the following is a consequence of pollution?

    <p>Disruption of ecosystem services (A)</p> Signup and view all the answers

    What is a key reason why conservation efforts are necessary?

    <p>To mitigate the effects of human activities on ecosystems (D)</p> Signup and view all the answers

    What is a consequence of overexploitation of natural resources?

    <p>Decrease in biodiversity (C)</p> Signup and view all the answers

    What is a goal of conservation efforts in terms of ecosystems?

    <p>To maintain ecosystem balance and biodiversity (B)</p> Signup and view all the answers

    What is a primary way that biodiversity contributes to ecosystem stability?

    <p>By allowing ecosystems to recover from disturbances (B)</p> Signup and view all the answers

    What is a critical consequence of harming one component of an ecosystem?

    <p>It has a cascading effect on other components of the ecosystem (B)</p> Signup and view all the answers

    What is a key goal of sustainable development?

    <p>To ensure that natural resources are available for future generations (B)</p> Signup and view all the answers

    What is a key role of protected areas in conservation efforts?

    <p>To conserve habitats and species (D)</p> Signup and view all the answers

    What is a critical component of community involvement in conservation efforts?

    <p>Providing education and promoting sustainable livelihoods (A)</p> Signup and view all the answers

    What is a key strategy used in invasive species management?

    <p>Mechanical removal and biological control (A)</p> Signup and view all the answers

    What is a key outcome of conservation efforts in terms of ecosystem health?

    <p>Ecosystem health is maintained and supported (B)</p> Signup and view all the answers

    What is a key role of governments in conservation efforts?

    <p>To enact laws and regulations to protect the environment (D)</p> Signup and view all the answers

    What is the primary impact of habitat destruction on ecosystems?

    <p>Disrupted ecosystem services (A)</p> Signup and view all the answers

    Which of the following is a key consequence of global warming?

    <p>Disrupted weather patterns (C)</p> Signup and view all the answers

    What is a key characteristic of alien invasive species?

    <p>Outcompete native species (D)</p> Signup and view all the answers

    What is a key impact of pollution on ecosystems?

    <p>Disrupted ecosystem processes (C)</p> Signup and view all the answers

    What is a key goal of conservation efforts in terms of ecosystems?

    <p>To maintain ecosystem balance (D)</p> Signup and view all the answers

    What is a key consequence of hunting and poaching?

    <p>Disrupted ecosystem balance (A)</p> Signup and view all the answers

    What is a key role of conservation efforts in maintaining ecosystem health?

    <p>To maintain ecosystem balance (B)</p> Signup and view all the answers

    What is a key consequence of burning for land clearing?

    <p>Soil erosion (C)</p> Signup and view all the answers

    What is a critical consequence of the loss of biodiversity in an ecosystem?

    <p>Reduced medicinal resources and cultural opportunities (C)</p> Signup and view all the answers

    Which of the following is a key strategy used in invasive species management?

    <p>Biological control using natural predators or pathogens (D)</p> Signup and view all the answers

    What is a critical role of local communities in conservation efforts?

    <p>Providing education and promoting sustainable livelihoods (C)</p> Signup and view all the answers

    What is a key benefit of sustainable development in terms of ecosystem health?

    <p>Maintained ecosystem health and support for economic activities (B)</p> Signup and view all the answers

    Which of the following is a key characteristic of alien invasive species?

    <p>Non-native to the ecosystem and outcompetes native species (C)</p> Signup and view all the answers

    What is a critical consequence of harming one component of an ecosystem?

    <p>Cascading effects on other components of the ecosystem (C)</p> Signup and view all the answers

    What is a key role of environmental organizations in conservation efforts?

    <p>Advocating for environmental protection and implementing conservation projects (B)</p> Signup and view all the answers

    What is a critical outcome of conservation efforts in terms of ecosystem health?

    <p>Improved ecosystem stability and resilience (D)</p> Signup and view all the answers

    What is a major benefit of sustainable development in terms of ecosystem health?

    <p>Enhancing ecosystem resilience to climate change (C)</p> Signup and view all the answers

    What is a key consequence of the loss of a predator in an ecosystem?

    <p>An overpopulation of prey species, leading to habitat degradation (C)</p> Signup and view all the answers

    What is a critical component of community involvement in conservation efforts?

    <p>Engaging local communities in conservation activities and education (A)</p> Signup and view all the answers

    What is a key goal of conservation efforts in terms of natural resources?

    <p>Conserving natural resources for future generations (A)</p> Signup and view all the answers

    What is a key benefit of establishing protected areas in conservation efforts?

    <p>Enhancing ecosystem services such as pollination and water purification (D)</p> Signup and view all the answers

    What is the primary impact of deforestation on ecosystems?

    <p>Disruption of ecosystem services (B)</p> Signup and view all the answers

    What is a key consequence of alien invasive species on ecosystems?

    <p>Increased competition for native species (A)</p> Signup and view all the answers

    What is a key effect of pollution on ecosystems?

    <p>Disruption of ecosystem balance (D)</p> Signup and view all the answers

    What is a key reason why conservation efforts are necessary?

    <p>To protect and preserve the natural environment (C)</p> Signup and view all the answers

    What is a key consequence of hunting and poaching on ecosystems?

    <p>Disruption of ecological balance (C)</p> Signup and view all the answers

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