Maintaining Ecosystems

• What is one consequence of an increasing human population?

  More resources used more quickly
• How does an increasing standard of living affect the environment?

  It leads to more waste produced
• What is the relationship between human activities and biodiversity?

  More plants and animals killed, so less biodiversity
• What are three ways we pollute the environment?

  Sewage, smoke, and toxic chemicals
• How do sewage and fertilizers contribute to pollution?

  They get washed into water sources
• What type of pollution is caused by smoke and acidic gases?

  Air pollution
• Why is proper waste handling important?

  To reduce pollution of the environment
• What type of pollution is caused by toxic chemicals from farming?

  Land pollution
• What are five programmes to protect ecosystems?

  1. Breeding programmes for endangered species
  2. Habitat restoration for rare habitats
  3. Reintroducing hedgerows and field margins
  4. Government regulations to reduce deforestation
  5. Recycling to reduce landfill waste
• What is the purpose of breeding programmes?

  To ensure endangered species survive
• What is habitat restoration?

  Protecting and regenerating rare habitats
• How do hedgerows and field margins benefit ecosystems?

  They create habitats for more organisms
• What is the role of government regulations in protecting ecosystems?

  To reduce deforestation and CO2 emissions
• How does recycling help the environment?

  It reduces the amount of waste going to landfills