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Food Webs Activity 2: Food Web Systems (Grades 6-8)

  • Preview of 6-8_FoodWebs2_FoodWebSystems.pdf - page 1
Subject Science — Life Science
Grade Level Grades 6-8
Resource Type Activity
Attributes Good for Parents
Standards Alignment

Attribution Non-commercial ShareAlike



Students model how a complex system operates and how some parts of a complex system have more leverage or influence on the rest of the system. Students relate this to the interconnectedness of food webs.

Lessons in this unit:

  • Food Webs Activity 1: Producers, Consumers, Decomposers
  • Food Webs Activity 2: Food Web Systems
  • Food Webs Activity 3: Food Chains and Webs
  • Food Webs Activity 4: Food Chains Rummy

Download Educator Guide for this unit.


Construct a scientific explanation based on evidence for the role of photosynthesis in the cycling of matter and flow of energy into and out of organisms.
Analyze and interpret data to provide evidence for the effects of resource availability on organisms and populations of organisms in an ecosystem.
Construct an explanation that predicts patterns of interactions among organisms across multiple ecosystems.
Develop a model to describe the cycling of matter and flow of energy among living and nonliving parts of an ecosystem.
Construct an argument supported by empirical evidence that changes to physical or biological components of an ecosystem affect populations.


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