Energy and Matter in Ecosystems

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What is an ecosystem?

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An ecosystem is all of the living and nonliving things in an area that interact with each other.

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What is the original source of energy in a food web?

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The original source of energy in a food web is the Sun.

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What role do nonliving things play in an ecosystem?

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Nonliving things determine which plants and animals can live in an ecosystem.

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What is a community in ecological terms?

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A community is a group of different populations that live together in a defined area.

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What is a population in ecology?

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A population is a group of individuals of the same species that live in the same area.

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What is a biome?

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A biome is a large geographic biotic unit, a major community of plants and animals with similar life forms and environmental conditions.

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What happens to a food chain if the primary producer dies?

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If the primary producer dies, it can lead to the collapse of the food chain, affecting all organisms that depend on it.

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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.

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What is a food web?

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A food web is a complex network of feeding relationships among various organisms in an ecosystem.

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What are producers in an ecosystem?

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Producers are organisms that can make their own food, typically through photosynthesis, like plants.

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