Ecosystems

• What is biomass?

  The amount of biological material in an organism
• What does the carbon cycle refer to?

  The cycling of carbon through living and non-living world
• Who are decomposers?

  Microorganisms that break down waste and dead bodies
• What are primary consumers?

  Animals that eat producers
• What are producers?

  Organisms that make food from raw materials
• What is a secondary consumer?

  Animals that eat primary consumers
• What does biodiversity measure?

  The variety of different species of organisms
• What are the key terms in B16 Organising an ecosystem?

  • Biomass
  • Carbon cycle
  • Decomposers
  • Primary consumer
  • Producers
  • Secondary consumer
• What are the key terms in B17 Biodiversity and ecosystems?

  • Biodiversity