Food Chains and Ecosystem Relationships Quiz

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Questions and Answers

What is a food chain?

  • A network showing the interconnections between different food webs
  • A complex network of different animals' feeding relations aggregated into a linear pathway
  • A linear network of links in a food web starting from producer organisms and ending at apex predators, detritivores, or decomposers (correct)
  • A direct, linear pathway of multiple animals at a time

What does each level of a food chain represent?

  • A different food web
  • A different feeding relation
  • A different trophic level (correct)
  • A different ecosystem

How does a food chain differ from a food web?

  • A food chain includes apex predators, detritivores, or decomposers, while a food web does not
  • A food chain is always longer than a food web
  • A food chain follows a direct, linear pathway of one animal at a time, while a food web is a complex network of different animals' feeding relations (correct)
  • A food chain includes only producer organisms, while a food web includes all organisms

What is a common metric used to quantify food web trophic structure?

<p>Food chain length (C)</p> Signup and view all the answers

Who introduced the concepts of food chains and food webs?

<p>Charles Elton (B)</p> Signup and view all the answers

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