food chain [animated pictures and text] [hedgerow]

• 
  PRODUCER
  The Sun and rain help
  produce a crop of berries.
• 
  PRIMARY CONSUMER
  These are eaten by fieldmice
  
• 
  SECONDARY CONSUMER
  ...who are eaten by snakes.
• 
  APEX PREDATOR
  ...and they in turn are eaten
  by a hawk.

This series of pictures shows a food chain. A food chain starts with the Sun which creates PRODUCERS. These are eaten by PRIMARY CONSUMERS. These are eaten by SECONDARY CONSUMERS. Finally, these are eaten by the APEX PREDATOR. This is the end of this particular food chain. To start the sequence again just refresh the page.