Food chains

• What is a food chain?

  A model that shows how energy passes from organism to organism 
• What are producers?

  Organisms at the very start of a food chain that can create glucose using photosynthesis
• Which two of the following groups of organisms are producers?

  Apex predators 

  Herbivores 

  Plants 

  Algae

  Plants and algae
• Which resource do plants not compete for?

  Food
• What do primary consumers feed on?

  Producer
• Who are tertiary consumers?

  organisms that eat secondary consumers
• As energy passes along a food chain, most of the energy is

  Lost
• Which is the secondary consumer in the following food chain?

  tree → caterpillar → shrew → owl


  Shrew
• What is a predator? 

  An animal that hunts and kills other animals for food
• What is a prey?

  An organism that is killed and eaten by a predator