Sci Topic 9 TEST - Matter and Energy in Ecosystems

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What is an ecosystem?

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An ecosystem is a community of living (biotic) and non-living (abiotic) things interacting with each other.

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What is the role of a decomposer in an ecosystem?

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A decomposer breaks down dead plants and animals, returning nutrients to the soil.

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How does the carbon cycle relate to ecosystems?

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The carbon cycle shows how carbon moves through living organisms and the environment, which is essential for ecosystem functioning.

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What is a producer?

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A producer is an organism, like a plant, that makes its own food using sunlight, air, and soil.

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What is a consumer?

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A consumer is an organism that eats other organisms for energy.

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What is a food web?

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A food web is a complex network of feeding relationships among organisms in an ecosystem.

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What is a food chain?

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A food chain is a linear sequence showing how energy and nutrients flow from one organism to another.

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What are abiotic factors?

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Abiotic factors are the non-living parts of an ecosystem, such as sunlight, water, and soil.

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What are biotic factors?

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Biotic factors are the living parts of an ecosystem, including plants, animals, and microorganisms.

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What is the water cycle?

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The water cycle is the continuous movement of water through evaporation, condensation, and precipitation.