Food Chains and Food Webs

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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, 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, illustrating 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 can make their own food using sunlight through the process of photosynthesis.

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What are Consumers?

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Consumers are organisms that cannot produce their own food and must eat other organisms to obtain energy.

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What are Decomposers?

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Decomposers are organisms, such as fungi and bacteria, that break down dead organic matter, returning nutrients to the soil.

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

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The Sun provides the initial energy that fuels the entire food chain, as producers use sunlight to create food.

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What is a Primary Consumer?

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A Primary Consumer is an organism that eats producers; they are typically herbivores.

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What is a Tertiary Consumer?

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A Tertiary Consumer is an organism that eats secondary consumers; they are often top predators in a food chain.

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What is an Autotroph?

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An Autotroph is an organism that can produce its own food from inorganic substances, typically through photosynthesis.

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What is a Heterotroph?

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A Heterotroph is an organism that cannot produce its own food and relies on consuming other organisms for energy.

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