food Webs, food chains

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What is a food chain?

Back

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?

Back

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 an ecosystem?

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An ecosystem is a community of living organisms (plants, animals, and microorganisms) interacting with their physical environment (air, water, soil) in a specific area.

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What is a producer?

Back

A producer is an organism that can make its own food using sunlight or chemical energy, typically through photosynthesis.

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What is a consumer?

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A consumer is an organism that obtains energy by eating other organisms, which can be classified as herbivores, carnivores, or omnivores.

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What is a herbivore?

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A herbivore is an organism that primarily eats plants and gets its energy from them.

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What is a carnivore?

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A carnivore is an organism that primarily eats other animals for energy.

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What is an omnivore?

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An omnivore is an organism that eats both plants and animals for energy.

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What percentage of energy is typically lost at each trophic level?

Back

Typically, about 90% of energy is lost at each trophic level as heat or used for survival, with only about 10% being passed on to the next level.

Front

What is a trophic level?

Back

A trophic level is a position in a food chain or food web that indicates the flow of energy and nutrients, such as producers, primary consumers, secondary consumers, and so on.