Ecosystems

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What is an ecosystem?

Back

An ecosystem is a community of living organisms and their interactions with the nonliving environment.

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What is a producer?

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A producer is a living thing, such as a plant, that can make its own food.

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What is a consumer?

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A consumer is a living thing that cannot make its own food and must eat other organisms.

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What is the main source of energy for ecosystems?

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The Sun is the main source of energy for ecosystems.

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What is a food chain?

Back

A food chain is a sequence that shows how energy and nutrients flow from one organism to another.

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What is a food web?

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A food web is a group of food chains that overlap, showing how different organisms are interconnected.

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What is a habitat?

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A habitat is the natural environment where an organism lives.

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What is an environment?

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An environment includes all of the living and nonliving things surrounding an organism.

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What is pollution?

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Pollution is the introduction of harmful substances into the environment.

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What is an oil spill?

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An oil spill is an environmental disaster where oil is released into oceans or waterways, harming marine life.