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Who Can Harvest a Walleye?

Source Institutions

    Centers for Ocean Sciences Education Excellence

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Who Can Harvest a Walleye?

This activity focuses on interactions within Earth systems and the effects of human activities. In this activity learners build a biomass pyramid. This game shows how factors affecting lower sections of the food chain can affect higher levels as well. The pyramid in this game is a biomass type because it is based on the weight of the organisms in kilograms.

Quick Guide

Preparation Time:
5 to 10 minutes

Learning Time:
45 to 60 minutes

Estimated Materials Cost:
1 cent - $1 per group of students

Age Range:
Ages 8 - 14

Resource Types:
Activity, Game, Lesson/Lesson Plan


Materials List (per group of students)


  • Earth and Space Science
    • Earth Structure
      • Oceans and Water
  • Life Sciences
    • Cells
      • Cell Structure and Function
    • Diversity of Life
      • Plants
      • Animals
    • Ecology
      • Ecosystems
      • Populations
      • Energy Flow and Chemical Cycles
      • Human Impact
  • The Nature of Science
    • Science and Society
      • Risks and Benefits
  • The Nature of Technology
    • Technology and Society
      • Impacts of Technology
      • Technology and the Environment

Informal Categories

  • Animals
  • Games
  • Nature and Environment


To use this activity, learners need to:

  • see
  • read
  • be mobile
  • touch

Learning styles supported:

  • Involves hands-on or lab activities


Components that are part of this resource:

Includes alignment to state and/or national standards

Includes assesments for student learning

This resource is part of:

Access Rights:

  • Free access


  • Leach, Susan; Reil, Gabriele; Fortner, Rosanne W.; COSEE Great Lakes


  • All Rights Reserved, The Ohio State University, ©1997

Funding Sources:

  • National Science Foundation, 0827983
  • National Science Foundation, 0828142
  • National Science Foundation, 0827953
  • NOAA National Sea Grant
  • Office of Naval Research
  • National Oceanic and Atmospheric Administration


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