Food Chains & Food Webs Initial

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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 is a producer?

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A producer is an organism that can make its own food through photosynthesis or chemosynthesis, such as plants and algae.

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What is a consumer?

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A consumer is an organism that cannot produce its own food and must eat other organisms for energy, including herbivores, carnivores, and omnivores.

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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 secondary consumer?

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

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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 apex predator?

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An apex predator is a predator at the top of a food chain that has no natural enemies.

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What role do decomposers play in a food chain?

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Decomposers break down dead organic matter, returning nutrients to the soil and making them available for producers.

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What is the source of energy in a food chain?

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The source of energy in a food chain is the sun, which provides energy for producers to create food.