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Educational worksheet illustrating a freshwater lake ecosystem and its components for learning about food chains and ecological interactions.

A worksheet titled "Research an Ecosystem" showing a cross-section of a freshwater lake ecosystem with labeled biotic and abiotic components, including fish, plants, and sunlight, along with a food chain chart.

A worksheet titled "Research an Ecosystem" showing a cross-section of a freshwater lake ecosystem with labeled biotic and abiotic components, including fish, plants, and sunlight, along with a food chain chart.

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