Biodiveristy

• What is biodiversity?


  Biodiversity is the variety of all the different species of organisms (plants, animals, and microorganisms).
• Why is high biodiversity important for an ecosystem?

  High biodiversity ensures the stability of an ecosystem.
• What are some factors that reduce biodiversity?

  • Deforestation
  • Global warming
  • Pollution
  • Climate change
  • Overfishing
• How does deforestation affect biodiversity?

  Deforestation destroys habitats, leading to reduced biodiversity.
• What is the impact of climate change on biodiversity?

  Climate change leads to habitat changes and a decrease in biodiversity.
• What are some consequences of pollution on biodiversity?

  Pollution can kill wildlife and accumulate in food chains, reducing biodiversity.
• How does global warming affect species migration?

  Global warming can lead to the migration of species, affecting ecosystems.
• What is food security?

  Food security is having enough food to feed a population.
• What biological factors threaten food security?

  Biological factors include rapid population growth, changing diets, environmental changes, and pests and pathogens impacting farming.
• What are the advantages and disadvantages of intense farming techniques?

  Advantages:

  • Efficient use of food with less waste produced
  • Can meet demand for food from a rapidly increasing population

  
  

  Disadvantages:

  • Pesticides/herbicides may kill beneficial organisms
  • Large carbon dioxide and methane emissions
• How do intense farming techniques make food production more efficient?

  They restrict energy transfer from food animals to their environment.
• What is the relationship between deforestation and carbon dioxide levels in the atmosphere?


  Deforestation leads to large amounts of carbon dioxide being released into the atmosphere.
• What role do trees play in relation to carbon dioxide and biodiversity?

  Trees absorb carbon dioxide and release water, which helps maintain biodiversity.
• What are some effects of sewage or toxic chemicals in water on wildlife?

  Sewage or toxic chemicals can kill wildlife.
• How does extreme weather relate to global warming and biodiversity?

  Extreme weather can threaten biodiversity by altering habitats.
• How does rapid population growth affect food security?

  Rapid population growth increases the demand for food, threatening food security.
• What is the impact of changing diets on food security?

  Changing diets can affect food availability and security.
• What are some environmental changes that threaten food security?

  Environmental changes include droughts and other climate-related issues.
• How do pests and pathogens impact farming?

  Pests and pathogens can reduce crop yields and threaten food security.
• What are the implications of intense farming techniques on the environment?


  Intense farming techniques can lead to increased carbon dioxide and methane emissions.
• What is a food chain?


  • A food chain shows the feeding relationships between organisms.
  • Arrows indicate the flow of energy from one organism to another.
• What is an apex predator in a food chain?


  A hawk
• What are toxins in a food chain?

  Poisonous substances that accumulate and damage organisms
• What happens when mercury enters a food chain?

  It damages the nervous and reproductive systems of mammals