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Making Food Webs

Unit Plan: Who Eats What?Lesson: 8 Time: Session 1 (40min) and Session 2 (40min) Setting: Classroom
3-5, 6-8Schoolyard Ecology
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Students make food webs of their study site, then trace how a change in one population could affect other populations within the web.


Students will be able to:
- know that most animals eat and are eaten by more than one thing
- understand that a food web shows all the likely feeding relationships at a location
- explain the different ways a change in one population can ripple through a food web


Sessions 1 and 2
For the Class:

  • overhead transparency of "Food Web"
  • overhead marker
  • 20-30 buttons or bean, two colors (optional)
  • food chains from Day 6 (Making Food Chains)
  • master list of study site organisms from Day 3 (Outdoor Research Excursion)
  • several copies of the Who Eats What  guide
  • other resource books (see "Resource List")

For each group of 3-4 students:

  • materials for making food webs

Lesson Files

Making Food Webs
Introduction - Includes Resource List
Who Eats What Guide

Benchmarks for Science Literacy

5D Interdependence of Life, 5E Flow of Matter and Energy, 7D Social Trade-offs, 11B Models

NYS Standards

MST 2- Informational Systems/ Information Technology, MST 4- Physical setting, living environment and nature of science

Hogan, Kathleen. Eco-Inquiry: A Guide to Ecological Learning Experiences for the Upper Elementary/Middle Grades. Kendall/Hunt Publishing Company, PO Box 1840, 4050 Westmark Drive, Dubuque, IA 52004-1840., 1994.