Ecosystems, Food Chains & Food Webs

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What does it mean when a population of a living thing no longer exists?

Back

It is referred to as extinct.

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NGSS.MS-LS4-1

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Where does the energy for producers in an ecosystem come from?

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The energy comes from the Sun.

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

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What term describes a population of living things that becomes too numerous?

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It is called overabundant.

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What is an example of a producer in an ecosystem?

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Grass is an example of a producer.

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What is the role of decomposers in an ecosystem?

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Decomposers break down dead organic matter, returning nutrients to the soil.

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NGSS.MS-LS2-3

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What is a food chain?

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A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another.

Tags

NGSS.MS-LS2-3

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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.

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NGSS.MS-LS2-3

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What is the primary source of energy for all ecosystems?

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The primary source of energy for all ecosystems is the Sun.

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

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What are trophic levels?

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Trophic levels are the different levels in a food chain or food web, representing the flow of energy and nutrients.

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NGSS.MS-LS2-3

Front

What is the difference between a producer and a consumer?

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Producers create their own food through photosynthesis, while consumers eat other organisms for energy.

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NGSS.MS-LS2-3