Biodiversity

• What does biodiversity refer to?

  Variety of different species on Earth
• Why is high biodiversity important for ecosystems?

  It makes ecosystems stable and resilient
• How does high biodiversity prevent ecosystem collapse?

  If one species goes extinct, others remain
• What role do many species play in ecosystems?

  They act as pollinators
• What is a source of many medicines?

  Living organisms
• How do humans reduce biodiversity?

  By damaging the environment
• What is the impact of new consumer goods on biodiversity?

  They increase pressure on the environment
• What happens to natural resources due to human activity?

  They are used faster than they can be replenished
• What is one consequence of clearing out natural ecosystems?

  Depletion of natural resources
• What types of waste do humans produce that affect water?

  Sewage and farming waste
• How does waste affect land ecosystems?

  It can seep into ecosystems from landfills
• What types of waste can pollute air?

  Industrial processes and burning fossil fuels
• What is a consequence of harmful chemicals released into the air?

  They damage species and cause acid rain