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Food chain

A food chain is a chain of different animal species that are dependent on the next as a source of food. If one source dies, then the chain starts to break.

Food webs

Food webs are a system off overlapping food chains. Basically meaning, many food chains combined together.

Pyramid Model

A pyramid model includes the following:

  • Primary Producers
  • Primary Consumers
  • Secondary Consumers
  • Tertiary Consumers

Hope this helps! :)

-CloutAnswers