Food Chains and Food Webs - 4th grade

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What is a food chain?

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A food chain is a sequence that shows how energy and nutrients flow from one organism to another in an ecosystem, starting from producers to various levels of consumers.

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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, showing how different organisms are related through feeding relationships.

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What are producers?

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Producers are organisms, like plants, that make their own food through photosynthesis and are the starting point of a food chain.

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What are herbivores?

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Herbivores are animals that eat only plants.

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What are carnivores?

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Carnivores are animals that eat only other animals.

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What are omnivores?

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Omnivores are animals that eat both plants and animals.

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What is the role of the sun in a food chain?

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The sun provides the energy that starts the food chain, as plants use sunlight to make their food.

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What are primary consumers?

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Primary consumers are herbivores that eat producers (plants) in a food chain.

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What are secondary consumers?

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Secondary consumers are carnivores that eat primary consumers (herbivores) in a food chain.

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What are tertiary consumers?

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Tertiary consumers are carnivores that eat secondary consumers in a food chain.