Ecosystem: Producers, Consumers, and Decomposers
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Subject Area: Science | Grade Level: 7
Lesson Length: 1 hour
Keywords/Tags: Ecosystem, Animal, Plant, Foodweb
Lesson Description: Explain and illustrate the roles of and relationships among producers, consumers, and decomposers in the process of energy transfer in a food web.

  • SC.7.L.17.1 Explain and illustrate the roles of and relationships among producers, consumers, and decomposers in the process of energy transfer in a food web.
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Video : Understanding Ecosystems
Instructions: Please watch the following video as many times as needed before starting to go through other lesson pages. Understanding the content of the video is very important since the lesson activities will be all about this video content.
Description: Learn about the ecosystems of earth.
Quiz : Ecosystem Knowledge Check
Instructions: Please complete this quiz by choosing the correct answer for each question. You can take this quiz as many times needed.
Question #1
The earth is one giant ecosystem.
Question #2
All ecosystems have both living and non-living parts.
Question #3
Consumers receive their energy through photosynthesis
Question #4
All the parts of an ecosystem work against one another.
Question #5

Which is an example of a producer?

Question #6

Which is an example of a consumer?

Question #7

Which is an example of a decomposer?

Question #8

A raccoon eats both other animals as well as plants, which makes it a...

Question #9
The video tells how foxes hunt rabbits within an ecosystem to make sure the population of rabbits does not get too high. Give an example of another interaction, where two or more organisms in an ecosystem depend on each other in some way. Feel free to research an example. :)
Question #10
Name 5 ways that you can help create a healthy ecosystem.
Resources : Check out these sites if you are intrigued by this lesson!
Instructions: Please see additional external resources below. Feel free visit each link to learn more about this lesson.
Food Chain - Nat Geo
Learn more about the food chain and where we are as humans!
Apex Predators
Check out this link to see the consumers at the very top of the food chain!
Simple ways to help our ecosystems
Click here if you want to join in helping our planet!