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Identify ecosystem energy flow

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Identify ecosystem energy flow — free printable High School Science worksheet

High school students trace the flow of energy through ecosystems in this Life Science worksheet, examining how producers, consumers, and decomposers transfer energy across trophic levels. Teachers can use it during an ecology unit to consolidate understanding of food webs and trophic efficiency, or as a pre-assessment before quantitative work with the ten percent rule and energy pyramids. The focus on energy flow connects biology to thermodynamics and reinforces the systemic thinking needed for environmental science.

Learning objectives

  • Identify how energy flows from producers through consumers in an ecosystem
  • Explain why energy decreases at each trophic level
  • Analyze a food web diagram to trace energy pathways

How to use this worksheet

  1. Select “Sign in / Sign up to download”, then sign in with Google or email to get the PDF from KiwiBee Printables.
  2. Print at home or in class for High School; it's no-prep, with no extra materials needed.
  3. Use the included answer key to mark it in seconds.

Good for

ClassworkHomeworkWarm-upCentersSmall groups

Answer Key

Answer key for Identify ecosystem energy flow — free printable Science worksheet

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