Food Chains & Food Webs

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What are Primary Consumers?

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Primary Consumers are organisms that eat producers (plants). They can be herbivores (plant-eaters) or omnivores (eating both plants and animals).

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NGSS.MS-LS2-2

NGSS.MS-LS2-4

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What do the arrows in a food chain or web represent?

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The arrows show the direction of energy flow between organisms.

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NGSS.MS-LS2-3

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What is a Food Chain?

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A Food Chain is a linear sequence that shows how energy and nutrients flow from one organism to another in an ecosystem.

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NGSS.MS-LS2-3

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Give an example of a simple Food Chain.

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grass → fly → frog

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NGSS.MS-LS2-3

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What is a Food Web?

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A Food Web is a complex network of interconnected food chains in an ecosystem.

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NGSS.MS-LS2-3

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Who are the Producers in a food chain?

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Producers are organisms, like plants, that create their own food through photosynthesis.

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NGSS.MS-LS1-6

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What role do Secondary Consumers play in a food chain?

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Secondary Consumers are organisms that eat Primary Consumers; they can be carnivores or omnivores.

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NGSS.MS-LS2-3

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What is the difference between Herbivores and Carnivores?

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Herbivores eat plants, while Carnivores eat other animals.

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What is the significance of decomposers in an ecosystem?

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Decomposers break down dead organic matter, returning nutrients to the soil and helping to recycle energy.

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NGSS.MS-LS2-3

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How does energy flow in a food chain?

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Energy flows from producers to primary consumers, then to secondary consumers, and so on.

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NGSS.MS-LS2-3