(3.9) Environments

Overview
Third graders explore the effect of environments and environmental changes on the organisms that inhabit them.
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(3.9A) Characteristics of Environments
The student is expected to observe and describe the physical characteristics of environments and how they support populations and communities within an ecosystem.
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(3.9B) Energy Flow
The student is expected to identify and describe the flow of energy in a food chain and predict how changes in a food chain affect the ecosystem such as removal of frogs from a pond or bees from a field.
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Grade 3
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