Food Chains and Food Webs Review

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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 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 is a producer?

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A producer is an organism that can make its own food using sunlight, water, and carbon dioxide, such as plants.

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What is a consumer?

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A consumer is an organism that cannot make its own food and must eat other organisms to obtain energy.

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What is a decomposer?

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A decomposer is an organism that breaks down dead plants and animals, returning nutrients to the soil, such as mushrooms and bacteria.

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

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The sun provides energy that is captured by producers through photosynthesis, forming the base of the food chain.

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What is a primary consumer?

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A primary consumer is an organism that eats producers; they are usually herbivores, like rabbits or grasshoppers.

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What is a secondary consumer?

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A secondary consumer is an organism that eats primary consumers; they can be carnivores or omnivores, like snakes or raccoons.

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What is an example of a simple food chain?

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An example of a simple food chain is: Sun → Grass → Grasshopper → Frog.

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Why are decomposers important in a food web?

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Decomposers are important because they recycle nutrients back into the soil, making them available for producers.