Science Worksheets and Study Guides Third Grade. What are Ecosystems?

The resources above correspond to the standards listed below:

Missouri Standards

MO.4. Changes in Ecosystems and Interactions of Organisms with Their Environments
4.2. Matter and Energy flow through an ecosystem
4.2.A. As energy flows through the ecosystem, all organisms capture a portion of that energy and transform it to a form they can use
4.2.A.a. Scope and Sequence - Food Chains: Identify sunlight as the primary source of energy plants use to produce their own food
4.2.A.b. Scope and Sequence - Food Chains: Classify populations of organisms as producers or consumers by the role they serve in the ecosystem
4.2.A.c. Scope and Sequence - Food Chains: Sequence the flow of energy through a food chain beginning with the Sun
4.2.A.d. Scope and Sequence - Food Chains: Predict the possible effects of removing an organism from a food chain