Maintaining Biodiversity

• What is biodiversity?

  Biodiversity is the variety of all the different species of organisms on Earth.
• Why is rich biodiversity important for ecosystems?

  It helps to make ecosystems more stable.
• How can breeding programs help endangered species?

  • Increase the numbers of endangered species
  • Zoos lend animals to each other to encourage breeding
• What impact does habitat destruction have on biodiversity?

  • Reduces biodiversity
  • Leads to loss of species
• What type of habitat is mentioned as having a high level of biodiversity?

  Wetlands
• What actions have been taken to protect wetlands?

  • Large areas of wetland have been protected from drainage
  • Some drained wetlands are being refloated
• How do field margins and hedgerows contribute to biodiversity on farms?

  • Provide habitats for wild plants and animals
  • Increase the variety of species in agricultural areas
• What is a common farming practice that reduces biodiversity?

  Growing large fields containing one type of crop.
• How can governments help maintain biodiversity?

  By reducing deforestation and carbon dioxide emissions.
• What is one action taken by the Brazilian government to protect biodiversity?

  • Established national parks to protect the Amazon rainforest
• How does increasing the use of renewable energy affect biodiversity?

  It reduces global warming, which helps protect biodiversity.
• What is the impact of recycling on biodiversity?

  • Reduces waste in landfills
  • Helps preserve habitats for plants and animals
• What is a negative consequence of dumping waste into landfills?

  It destroys habitats for plants and animals.