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More Cloze Activities
Fill in the blanks below using words from the word bank.
A food chain is the sequence of who eats whom in a biological community to obtain nutrition.
The ______________________________________ in a food chain show the flow of energy, usually from the sun to a top predator. As the energy flows from organism to organism, energy is ______________________________________ at each step.
Some organisms' position in the food chain can vary as their diet differs. For example, when a bear eats berries, the bear is acting as a primary consumer. When a bear eats a plant-eating rodent, the bear is functioning as a secondary consumer. When the bear eats salmon, the bear is functioning as a tertiary consumer (this is because salmon is a secondary consumer, since salmon eat herring that eat zooplankton that eat phytoplankton, that make their own energy from sunlight). Think about how people's place in the food chain varies - often within a single ______________________________________.
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