Lesson Plan, Unit


An ecosystem is a collection of living things and the environment in which they live. Ecosystems are formed by the interaction of a community of organisms with their environment. Ecosystems may be large or small. This module allows students to investigate the dependence of organisms on one another and their environments. Lessons will provide students with hands-on experiences that strategically transition them into increased mastery of scientific content. In addition, this unit will help students identify how the parts of an ecosystem interact, explain reasons why changes in environmental conditions affect the survival of both individuals and entire species, describe the characteristics of Earth’s major terrestrial biomes/aquatic communities and draw conclusions about the relationships between organisms that are competitive or mutually beneficial to one another. The lessons presented in this unit are aimed at providing supplemental activities to the resources (textbook, science kits, etc.) that are currently available in your classroom to teach this topic. By the end of this unit students should be able to synthesize information from multiple sources, for the purpose of deriving a conclusion about the dependence of organisms on one another within an ecosystem.


  • Science > General
  • Education > General

Education Levels:

  • Grade 6
  • Grade 7
  • Grade 8


Life science



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License Deed:

Creative Commons Attribution Non-Commercial
Update Standards?

SCI.7.S7CS1.a: Science

Understand the importance of - and keep - honest, clear, and accurate records in science.

SCI.7.S7CS1.b: Science

Understand that hypotheses can be valuable, even if they turn out not to be completely accurate.

SCI.7.S7CS5.a: Science

Observe and explain how parts can be related to other parts in a system such as predator/prey relationships in a community/ecosystem.

SCI.7.S7CS5.b: Science

Understand that different models (such as physical replicas, pictures, and analogies) can be used to represent the same thing.

SCI.7.S7L4.c: Science

Recognize that changes in environmental conditions can affect the survival of both individuals and entire species.

SCI.7.S7L4.d: Science

Categorize relationships between organisms that are competitive or mutually beneficial.

SCI.7.S7L4.e: Science

Describe the characteristics of Earth?s major terrestrial biomes (i.e., tropical rain forest, savannah, temperate, desert, taiga, tundra, and mountain) and aquatic communities (i.e., freshwater, estuaries, and marine).
Curriki Rating
On a scale of 0 to 3
On a scale of 0 to 3

This resource was reviewed using the Curriki Review rubric and received an overall Curriki Review System rating of 3, as of 2011-10-02.

Component Ratings:

Technical Completeness: 3
Content Accuracy: 3
Appropriate Pedagogy: 3

Reviewer Comments:

This detailed and well-organized unit is intended for 7th grade students and provides 3 – 4 weeks of curriculum. Students will investigate the dependence of organisms on one another and their environments and how living and nonliving factors affect both. Each of the five lessons includes standards, essential questions, a materials list, and a plan in which students Engage, Explore, Explain, Evaluate and Extend. Extensive support (vocabulary lists, supplemental resources, etc.) are included. The lessons include a nice variety of activities from discussion to hands-on and experiential learning, and provide some rubrics and student handouts. It would be nice to see, as the Curriki community explores this unit, examples of student work.
November 11, 2015
Totally awesome lesson plan. Includes all the vital elements to provide a comprehensive lesson to pupils while clearly satisfying other goals, such as meeting the state\'s objectives. Thanks for the hard work.
Kathleen Duhl

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