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What is the 10% Rule in energy transfer?

Back

The 10% Rule states that only about 10% of the energy from one trophic level is transferred to the next level in an ecosystem.

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What are food webs made of?

Back

Food webs are made of interconnected food chains that show how energy and nutrients flow through an ecosystem.

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What are autotrophs?

Back

Autotrophs are organisms that produce their own energy from non-living sources, such as sunlight or inorganic compounds.

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What is a heterotroph?

Back

Heterotrophs are organisms that cannot produce their own food and must consume other organisms for energy.

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What is a producer in an ecosystem?

Back

Producers are organisms, typically plants, that create energy through photosynthesis and form the base of the food chain.

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What are primary consumers?

Back

Primary consumers are herbivores that eat producers (plants) and are the second trophic level in a food chain.

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What are secondary consumers?

Back

Secondary consumers are organisms that eat primary consumers and are typically carnivores or omnivores.

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What are tertiary consumers?

Back

Tertiary consumers are predators that eat secondary consumers and are at the top of the food chain.

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.

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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.