Food Webs and Population Changes in Ecosystems

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What is a food web?

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A food web is a system of interconnected food chains in an ecosystem, showing how energy and nutrients flow between different organisms.

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What is the role of producers in a food web?

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Producers, like plants, create their own food using sunlight through photosynthesis and serve as the base of the food web.

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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 to obtain energy.

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What is a primary consumer?

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A primary consumer is an organism that eats producers, such as herbivores that eat plants.

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What is a secondary consumer?

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A secondary consumer is an organism that eats primary consumers, often 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, often at the top of the food chain.

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What is the sun's role in a food chain?

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The sun is the primary source of energy for all food chains, providing the energy needed for producers to create food.

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What happens to a population if there is more food available?

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If there is more food than usual in an ecosystem, the population of organisms will most likely increase.

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What is carrying capacity?

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Carrying capacity is the maximum number of individuals of a species that an environment can support sustainably.

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What are decomposers?

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