4. Summary and Vocabulary

Summary

  • A food chain describes the passage of energy between trophic levels.
  • A food web is a set of interconnected and overlapping food chains.
  • Food webs are interconnected, such as nearby land and a marine food webs.

Vocabulary

  • food chain: An energy pathway that includes all organisms that are linked as they pass along food energy, beginning with a producer and moving on to consumers.

  • food web: Interwoven food chains that show each organism eating from different trophic levels.
  • trophic level: Energy levels within a food chain or food web.

CK-12 Foundation, Life Science. http://creativecommons.org/licenses/by-nc-sa/3.0/