(4.9) Ecosystems
Overview
Fourth graders learn about energy flow through food webs, originating with the Sun’s energy used by producers and through consumers.
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(4.9A) Interactions in Ecosystems
The student is expected to investigate that most producers need sunlight, water, and carbon dioxide to make their own food, while consumers are dependent on other organisms for food.
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(4.9B) Energy Flow
The student is expected to describe the flow of energy through food webs, beginning with the Sun, and predict how changes in the ecosystem affect the food web such as a fire in a forest.
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Grade 4
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