Ecosystems and Ecology
Age 8-10: Concept 1 - Interdependence: Unit 3

In this unit, your child will explore how changes in the environment and the actions of humans influence the natural world. He will classify resources according to their renewable nature and discuss ways to conserve natural resources. He will also create an ecosystem diorama that demonstrates the interdependence of living and nonliving resources.

This unit can be used independently but is designed to be taught in conjunction with the literature unit Native American Animal Stories.


  • Able to read and comprehend chapter books at a 4th or 5th grade reading level
  • Able to write an organized paragraph
  • Usually used by children in fourth grade

Table of Contents

  • Lesson 1: Ecosystems (2 Days)
  • Lesson 2: Symbiotic Relationships
  • Lesson 3: Natural Resources (2 Days)
  • Lesson 4: Environmental Changes (2 Days)
  • Lesson 5: Caring for the Earth
  • Final Project: Design Your Own Ecosystem (2 Days)

Summary of Skills

Moving Beyond the Page is based on state and national standards. These standards are covered in this unit.
  • Describe environmental changes in which some organisms would thrive, become ill, or perish. (Science)
  • Describe how living organisms are dependent on their environment to meet their needs. (Science)
  • Describe how organisms modify their physical environment to meet their needs. (Science)
  • Examine ways people can protect the environment. (Science)
  • Identify and describe the importance of Earth's materials. (Science)
  • Identify ways living organisms are dependent on other organisms within their environment. (Science)
  • Observe and describe the habitats of organisms within an ecosystem. (Science)
  • Observe and identify organisms with similar needs that compete with one another for resources such as oxygen, water, food, or space. (Science)
  • Represent the natural world using models. (Science)
  • Explain variations in the physical environment including climate, landforms, natural resources, and natural hazards. (Social Studies)
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