Sustaining Biodiversity: The Species Approach - Role of Humans in Animal Extinction
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Questions and Answers

Which human activity is considered the most significant factor contributing to animal extinction?

  • Climate Change
  • Habitat Destruction (correct)
  • Introduction of Invasive Species
  • Overexploitation

What poses serious threats to wildlife due to contamination of ecosystems?

  • Climate Change
  • Pollution (correct)
  • Introduction of Invasive Species
  • Overexploitation

Which human activity includes activities such as deforestation and mining that lead to the destruction of natural habitats?

  • Introduction of Invasive Species
  • Climate Change
  • Habitat Destruction (correct)
  • Overexploitation

What activity accelerates the extinction rate of species according to scientists?

<p>Human Population Increase (A)</p> Signup and view all the answers

Which of the following contributes to the degradation of natural habitats?

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

What human activity involves industrial discharge, agricultural runoff, and plastic waste?

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

How does climate change contribute to animal extinction?

<p>Altering habitats and disrupting ecosystems (B)</p> Signup and view all the answers

What is one of the consequences of overexploitation of wildlife?

<p>Driving many species to extinction (C)</p> Signup and view all the answers

How do invasive species contribute to population declines and extinction?

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

What effect does the introduction of invasive species have on native species?

<p>Outcompeting them for resources (C)</p> Signup and view all the answers

How does the fragmentation of ecosystems impact wildlife populations?

<p>Isolating populations and restricting their abilities (A)</p> Signup and view all the answers

What is one of the significant threats posed by illegal wildlife trade?

<p>Driving many species towards extinction (B)</p> Signup and view all the answers

What is a key threat to many species introduced in the text?

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

Which action is crucial for safeguarding wildlife against the threats of climate change?

<p>Promoting sustainable land management practices (D)</p> Signup and view all the answers

What can help protect wild species from extinction by addressing habitat loss?

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

Which activity threatens numerous species with extinction due to the demand for exotic pets, traditional medicines, and luxury goods?

<p>Combating illegal wildlife trade (B)</p> Signup and view all the answers

What poses a significant threat to many species by altering habitats and exacerbating existing threats?

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

Reducing greenhouse gas emissions and implementing adaptation strategies is crucial for safeguarding wildlife against the threats of what?

<p>Climate change (D)</p> Signup and view all the answers

Study Notes

Human Activities and Extinction

  • Habitat loss is widely considered the most significant factor contributing to animal extinction. This includes activities like deforestation, mining, and urbanization.
  • Pollution poses a serious threat to wildlife by contaminating ecosystems through industrial discharge, agricultural runoff, and plastic waste.
  • Climate change accelerates the extinction rate of species by altering habitats, increasing the frequency of extreme weather events, and disrupting food chains.
  • Overexploitation of wildlife can lead to population declines and extinction, particularly through activities like hunting, fishing, and trading of endangered species.
  • Invasive species can outcompete native species for resources, introduce diseases, and alter habitats, contributing to population declines and extinction.
  • Habitat fragmentation can isolate wildlife populations, reduce genetic diversity, and make them more vulnerable to extinction.
  • Illegal wildlife trade threatens numerous species with extinction due to the demand for exotic pets, traditional medicines, and luxury goods.
  • Pollution poses a significant threat to many species by altering habitats and exacerbating existing threats.

Solutions and Mitigation

  • Reducing greenhouse gas emissions and implementing adaptation strategies is crucial for safeguarding wildlife against the threats of climate change.
  • Protecting natural habitats can help prevent habitat loss and fragmentation, which are crucial for safeguarding wild species from extinction.

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Description

Learn about the role of humans in animal extinction and how to protect wild species from disappearing. Explore the concept of extinction as a natural phenomenon and the factors that accelerate it in today's world.

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