Ch 10: Loss of biodiversity
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Questions and Answers

What is the main threat posed by acid mine drainage?

  • Enhancement of aquatic ecosystems
  • Preservation of habitats
  • Promotion of water quality
  • Disruption of water quality and aquatic ecosystems (correct)

Which activity significantly impacts wildlife populations and biodiversity?

  • Conservation efforts
  • Bushmeat trade (correct)
  • Community engagement
  • Habitat restoration

What is the main reason for targeting elephants in poaching incidents?

  • For their body parts
  • For their horns
  • For their social structures
  • For their tusks (correct)

How does urbanization impact ecological processes?

<p>Disrupts ecological processes (B)</p> Signup and view all the answers

What is the primary effect of alien invasive plants on native vegetation?

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

Which method is used to manage alien plant invasions according to the text?

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

What conservation action can help promote biodiversity conservation and ecosystem resilience?

<p>Efforts to restore degraded habitats (D)</p> Signup and view all the answers

How do legislative measures contribute to addressing biodiversity loss?

<p>Enabling habitat protection (C)</p> Signup and view all the answers

What does raising public awareness about biodiversity value aim to achieve?

<p>Fostering environmental stewardship (B)</p> Signup and view all the answers

What is one potential impact of poaching on elephant social structures?

<p>Altering social structures (C)</p> Signup and view all the answers

What is the main cause of biodiversity loss according to the text?

<p>Habitat destruction (D)</p> Signup and view all the answers

How do farming methods contribute to habitat destruction and biodiversity loss?

<p>Lead to soil degradation and loss of plant species (A)</p> Signup and view all the answers

What impact do luxury golf estate developments have on biodiversity?

<p>Result in habitat destruction and loss of biodiversity (B)</p> Signup and view all the answers

Why are mining operations considered harmful to biodiversity?

<p>Cause habitat destruction, soil contamination, and pollution (B)</p> Signup and view all the answers

What term is used when urban areas expand and absorb the surrounding rural landscape?

<p>Urban sprawl (C)</p> Signup and view all the answers

How does habitat destruction affect ecosystems?

<p>Disrupts ecosystems and reduces habitat quality (D)</p> Signup and view all the answers

Which farming practice is detrimental to soil health and biodiversity?

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

How does overgrazing contribute to habitat degradation?

<p>Results in soil degradation and loss of habitat diversity (C)</p> Signup and view all the answers

What is the impact of deforestation on biodiversity?

<p>Loss of habitat and decrease in biodiversity (D)</p> Signup and view all the answers

How are alien plant invasions harmful to ecosystems?

<p>Disrupt native plant communities and reduce biodiversity (C)</p> Signup and view all the answers

Why do poachers target rhinos?

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

What is a significant threat to biodiversity posed by urbanization?

<p>Pollution and habitat fragmentation (A)</p> Signup and view all the answers

How does the bushmeat trade impact biodiversity?

<p>Threatens biodiversity through unsustainable hunting (D)</p> Signup and view all the answers

Why are alien invasive plants harmful to ecosystems?

<p>Disrupt native vegetation and reduce habitat suitability (B)</p> Signup and view all the answers

What impact does elephant poaching have on ecosystem stability?

<p>Undermines stability (D)</p> Signup and view all the answers

Which method is NOT used to manage alien plant invasions?

<p>Ecosystem modification (C)</p> Signup and view all the answers

How can biodiversity be promoted through conservation efforts and sustainable practices?

<p>Restoring degraded habitats (D)</p> Signup and view all the answers

Why are endangered species provided with refuges in protected areas?

<p>To safeguard biodiversity (A)</p> Signup and view all the answers

How does community engagement contribute to effective biodiversity conservation?

<p>Empowers local communities (C)</p> Signup and view all the answers

Why is raising public awareness about biodiversity important?

<p>To foster a culture of environmental stewardship (D)</p> Signup and view all the answers

How does habitat destruction affect biodiversity?

<p>It decreases biodiversity by disrupting natural habitats and diminishing available resources. (D)</p> Signup and view all the answers

Why do monoculture farming practices contribute to habitat degradation?

<p>They lead to soil degradation, erosion, and the loss of indigenous plant species. (B)</p> Signup and view all the answers

What environmental issues are associated with luxury golf estate developments encroaching on ecologically sensitive areas?

<p>Habitat destruction, loss of biodiversity, and increased pollution. (A)</p> Signup and view all the answers

How do alien plant invasions affect natural ecosystems?

<p>They outcompete native plants and disrupt ecosystem balance. (D)</p> Signup and view all the answers

What is one consequence of surface and underground mining operations on biodiversity?

<p>Threatening the survival of plant and animal species through habitat destruction and pollution. (A)</p> Signup and view all the answers

How do overgrazing and monoculture farming practices contribute to land degradation?

<p>They lead to soil degradation, erosion, and loss of diversity by focusing on a single crop or excessive grazing. (B)</p> Signup and view all the answers

Why is habitat fragmentation a concern in biodiversity conservation?

<p>It disrupts ecosystems by isolating populations, leading to reduced genetic diversity and species survival. (D)</p> Signup and view all the answers

What impact does poaching have on biodiversity and ecosystems?

<p>It disrupts food chains and can lead to imbalances in ecosystems. (C)</p> Signup and view all the answers

How do urbanization and mining activities contribute differently to biodiversity loss?

<p>Urbanization leads to habitat destruction, whereas mining causes pollution. (A)</p> Signup and view all the answers

What role does soil contamination play in the loss of biodiversity?

<p>Soil contamination threatens biodiversity by negatively affecting plant and animal species. (C)</p> Signup and view all the answers

What impact does surface and underground mining operations have on biodiversity?

<p>Threatening the survival of plant and animal species (A)</p> Signup and view all the answers

How do luxury golf estate developments affect biodiversity and ecosystems?

<p>Result in habitat destruction and increased pollution (D)</p> Signup and view all the answers

Why does overgrazing contribute to land degradation?

<p>Causes soil degradation and erosion (C)</p> Signup and view all the answers

What is the primary effect of monoculture farming practices on habitat diversity?

<p>Reducing habitat diversity (A)</p> Signup and view all the answers

How do habitat destruction and fragmentation impact ecosystem stability?

<p>Make ecosystems less hospitable for diverse species (C)</p> Signup and view all the answers

What environmental issue arises from luxury golf estate developments encroaching on ecologically sensitive areas?

<p>Habitat destruction and increased pollution (D)</p> Signup and view all the answers

How do human activities such as farming, urbanization, and mining contribute to habitat destruction?

<p>By reducing resource availability (C)</p> Signup and view all the answers

What role does habitat fragmentation play in decreasing biodiversity?

<p>Diminishing species interactions (A)</p> Signup and view all the answers

How does habitat destruction caused by urbanization affect ecosystem functioning?

<p>Disrupts ecosystem stability and functionality (D)</p> Signup and view all the answers

Why is biodiversity loss considered a critical issue in ecosystems?

<p>It disrupts ecosystem stability and functioning (C)</p> Signup and view all the answers

What is a major challenge in managing alien plant invasions, despite various control measures?

<p>Limited success in eradicating alien invasive plants (B)</p> Signup and view all the answers

Which action plays a vital role in ensuring sustainable development practices and addressing root causes of biodiversity loss?

<p>Empowering indigenous peoples in resource management decisions (C)</p> Signup and view all the answers

How do protected areas like national parks contribute to biodiversity conservation?

<p>By providing essential refuges for endangered species and habitats (A)</p> Signup and view all the answers

Why is education and awareness crucial for fostering environmental stewardship?

<p>To instill a culture of responsible behavior towards nature (D)</p> Signup and view all the answers

How does bushmeat trade pose a significant threat to biodiversity in tropical regions?

<p>By hunting large mammals for subsistence and commercial purposes (C)</p> Signup and view all the answers

What is a negative consequence of poaching on elephant social structures?

<p>Disruption and alteration of elephant social dynamics (B)</p> Signup and view all the answers

How can habitat restoration efforts contribute to ecosystem resilience?

<p>By promoting biodiversity conservation and habitat rehabilitation (D)</p> Signup and view all the answers

Why is enacting and enforcing legislation essential for biodiversity conservation?

<p>To regulate land use, wildlife trade, and habitat protection (D)</p> Signup and view all the answers

What is a key consequence of rapid urban sprawl on the environment?

<p>Impedance of animal migration patterns (C)</p> Signup and view all the answers

How do alien invasive plants contribute to disrupting ecological processes?

<p>By outcompeting native plants and disrupting natural balance (D)</p> Signup and view all the answers

What impact does poaching have on elephant social structures?

<p>Disrupts elephant social structures (A)</p> Signup and view all the answers

How does bushmeat trade affect biodiversity in tropical regions?

<p>It significantly threatens biodiversity by targeting large mammals (B)</p> Signup and view all the answers

What is the primary reason behind Rhino poaching incidents?

<p>Rhinoceros horns are valuable in traditional Asian medicine markets (B)</p> Signup and view all the answers

What is one of the key challenges in managing alien plant invasions?

<p>Unforeseen consequences can arise from control methods (A)</p> Signup and view all the answers

How do urbanization and mining activities contribute to biodiversity loss?

<p>They convert natural habitats, disrupt ecological processes, and fragment habitats (D)</p> Signup and view all the answers

Why is habitat destruction considered a leading cause of biodiversity loss?

<p>It disrupts natural habitats and diminishes available resources. (D)</p> Signup and view all the answers

How do luxury golf estate developments contribute to habitat destruction?

<p>By encroaching on ecologically sensitive areas and using chemical inputs. (C)</p> Signup and view all the answers

Which factor promotes land degradation by reducing habitat diversity?

<p>Overgrazing in monoculture farming (A)</p> Signup and view all the answers

What is the primary threat posed by alien plant invasions to biodiversity?

<p>Decrease in available resources for native species (B)</p> Signup and view all the answers

How do human activities contribute to the ongoing loss of biodiversity?

<p>Through factors like habitat destruction, poaching, and alien plant invasions. (B)</p> Signup and view all the answers

Why is poaching a significant threat to biodiversity according to the text?

<p>It disrupts ecological processes (A)</p> Signup and view all the answers

How does habitat restoration contribute to biodiversity conservation and ecosystem resilience?

<p>By establishing wildlife corridors (B)</p> Signup and view all the answers

Why is controlling alien plant invasions important in biodiversity conservation?

<p>To displace native flora and fauna (C)</p> Signup and view all the answers

What is the primary purpose of establishing protected areas like national parks?

<p>To provide essential refuges for endangered species (A)</p> Signup and view all the answers

How does education and awareness contribute to biodiversity conservation?

<p>By fostering environmental stewardship (D)</p> Signup and view all the answers

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