Energy Flow Through an Ecosystem: Food Chains, Food Webs, and Energy Pyramids

When a minnow eats a piece of plastic, that garbage often tracks through multiple animals, causing harm to each as it passes through the food chain. Scholars learn about food chains, food webs, and energy pyramids with a presentation. It describes the role of producers, consumers, and decomposers in each.

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CCSS: Adaptable
Instructional Ideas

  • Challenge pupils to create a complex food chain consisting of more than 10 organisms
  • Discuss what happens if there is an issue somewhere in the food pyramid
Classroom Considerations

  • Relies on prior knowledge of predator-prey relationships and food as energy
Pros

  • Highlights vocabulary words on each slide
  • Uses high-contrast colors for visibility
Cons

  • None