Energy flow: Food webs/food chains review

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What are producers in a food chain?

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Producers are organisms that create their own food through photosynthesis or chemosynthesis, forming the base of the food chain.

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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.

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What is a food web?

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A food web is a complex network of interconnected food chains that illustrates how different organisms are related through feeding relationships.

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What is biomass?

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Biomass is the total mass of living matter in a given area or volume, often expressed in kilograms.

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What do the arrows in a food chain represent?

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The arrows indicate the direction of energy flow from one organism to another, showing who eats whom.

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What are primary consumers?

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Primary consumers are organisms that eat producers; they are typically herbivores.

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What are secondary consumers?

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Secondary consumers are organisms that eat primary consumers; they can be carnivores or omnivores.

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What are tertiary consumers?

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Tertiary consumers are organisms that eat secondary consumers; they are usually top predators in the food chain.

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What is the role of decomposers in an ecosystem?

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Decomposers break down dead organic matter, recycling nutrients back into the ecosystem.

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What is biomagnification?

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Biomagnification is the process by which the concentration of toxins increases in organisms at each successive level of the food chain.