Food Chains & Predator-Prey Cycles

• A model that shows how energy passes from organism to organism is called a ?

  food chain
• Organisms at the very start of a food chain that can create glucose using photosynthesis are known as ?

  producers
• Give two groups of organisms are producers?

  plants

  algae
• Which resource do plants not compete for?

  food
• What do primary consumers feed on?

  producers
• What consumers are organisms that eat secondary consumers?

  Tertiary 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
• An organism that is killed and eaten by a predator is known as ?

  prey