Environmental Science

• What is Biodiversity?

  Biodiversity refers to the variety of life on Earth at all levels of organisation, including the variety of species, genetic differences within species, and the ecosystems they form.
• What are the three levels of biodiversity?

  • Genetic Diversity
  • Ecosystem diversity
  • Species diversity
• What is genetic diversity?

  Genetic diversity refers to the variety of genes within a population of a single species or the total genetic information contained in the genes of all species of earth. 
• What is ecosystems diversity?

  Ecosystem diversity is the variety of habitats, natural communities and ecological processes in the biosphere.
• What is species diversity?

  Species diversity is the variety of different species in a particular area or on Earth as a whole. It measures the number of different species and the number of individuals within each species in a particular area or ecosystem.
• What are ecosystem services?

  Ecosystems services are renewable processes that play a vital role in human survival and quality of life. 
• What are provisioning services?

  Provisioning services provide resources to individuals in an ecosystem.
• What are examples of provisioning services?

  Clean water, food, fuel, fibre and medicines