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Food Webs

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Food Webs

In this activity, learners construct possible food webs for six different ecosystems as they learn about the roles of different kinds of living organisms. Learners will also discuss and classify producers vs. consumers and different kinds of consumers (herbivores, carnivores, omnivores, decomposers and scavengers). This lesson guide includes background information, variations and bilingual (English/Spanish) cards.

Quick Guide

Preparation Time:
5 to 10 minutes

Learning Time:
30 to 45 minutes

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

Age Range:
Ages 8 - 14

Resource Types:
Activity, Lesson/Lesson Plan

English, Spanish

Materials List (per group of students)

  • set of crayons: one each of blue, green, red and yellow
  • set of Ecosystem Cards representing one ecosystem
  • sheet of white construction or drawing paper, 9 in. x 12.


  • Life Sciences
    • Diversity of Life
      • Plants
      • Animals
      • Viruses and Bacteria
      • Protists and Fungi
      • Classification
      • Biodiversity
    • Ecology
      • Ecosystems
      • Populations
      • Energy Flow and Chemical Cycles
      • Biodiversity
  • The Nature of Science
    • The Scientific Process
      • Formulating Explanations

Informal Categories

  • Animals
  • Nature and Environment


To use this activity, learners need to:

  • see
  • see color
  • read
  • touch

Learning styles supported:

  • Involves teamwork and communication skills
  • Involves hands-on or lab activities


Foreign language versions of this resource:

Components that are part of this resource:

Includes assesments for student learning

This resource is part of:

Access Rights:

  • Free access


  • Moreno, Nancy P.; Tharp, Barbara Z.


  • All Rights Reserved, Baylor College of Medicine, ©2011

Funding Sources:

  • National Institute of Environmental Health Sciences, R25 ES10698
  • National Center for Research Resources, R25 RR13454


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