Lesson Plan: Consumers and Decomposers Science

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to explain the indirect importance of sunlight for consumers and decomposers.


Students will be able to

  • understand what a consumer and a decomposer are and give some examples of each,
  • understand the relationship between producers, consumers, and decomposers,
  • explain why decomposers are important in nature,
  • compare producers, consumers, and decomposers,
  • understand the importance of conserving trees and plants in the environment.


Students should already be familiar with

  • the fact that animal cells do not feature chloroplasts,
  • the idea that the typical diets of animals vary from one animal to another, with some feeding mainly on plants and others feeding mainly on animals.


Students will not cover

  • food webs.

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