Food Chains and Webs

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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.

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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, usually a plant, that can make its own food through photosynthesis.

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What is photosynthesis?

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Photosynthesis is the process by which green plants use sunlight, carbon dioxide, and water to create food (glucose) and oxygen.

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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 for energy.

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What is a herbivore?

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A herbivore is a type of consumer that eats only plants.

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What is a carnivore?

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A carnivore is a type of consumer that eats only other animals.

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What is an omnivore?

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An omnivore is a type of consumer that eats both plants and animals.

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What is a decomposer?

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A decomposer is an organism, like fungi or bacteria, that breaks down dead organic material, returning nutrients to the soil.

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What is the role of a top predator in a food web?

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A top predator is at the top of the food web and has no natural predators, helping to control the population of other species.