How to create a food web

Using the list of organisms below, create a hypothetical food web for the Isle Royale ecosystem.

• Now that you have constructed a food web, let’s use it to discuss trophic levels in an ecosystem. Using your food web and the vocabulary below, answer the following questions.
  • Indicate (with a P) in your drawing all the organisms that function as producers.
  • Indicate (with a C) in your drawing all the organisms that function as consumers.
  • Identify (using roman numerals) all the trophic levels that an organism occupies.
• If the moose population was removed, what would be the effect(s) on the other organisms in the ecosystem?