Pond ecosystem - living world

• Primary producers

  Green plants that use photosynthesis and take nutrients from the soil using their roots
• Primary consumers

  Herbivores eat plant material to gain energy
• Secondary consumers

  Carnivores that feed on primary consumers
• Tertiary consumers

  Carnivores that eat smaller primary and secondary carnivores
• Quaternary consumers

  The top carnivores that have no predators
• Slapton lake