Communities

• • An ecosystem is the interaction between a community of living organisms and their environment.
  • A community is two or more populations of organisms.
  • An ecosystem is two or more populations of organisms (usually many more) in their environment.
  • A population is all the organisms of the same or closely-related species in an area.
• Producer - Producers are plants and algae, which photosynthesise.
• Primary consumer - Primary consumers are herbivores, which eat producers.
• Secondary consumer - Secondary consumers are carnivores, which eat primary consumers.
• Tertiary consumer - Tertiary consumers are also carnivores. They eat secondary consumers.