Unit 6 Flow of Energy in Ecosystems

Organisms that make their own food

• Producer

• Consumer

• Decomposer

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Organisms that obtain energy by feeding on other organisms

• Producer

• Consumer

• Decomposer

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Organisms that break down wastes and dead organisms and return the raw materials to the environment

• Producer

• Consumer

• Decomposer

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A food _______ is a series of events in which one organism eats another and obtains energy.

• chain

• web

• pyramid

• plate

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A food _______ consists of many overlapping food ________.

• web, chains

• chain, webs

• pyramid, webs

• web, pyramids

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As you work your way up the energy pyramid, what happens to the energy?

• It increases

• It decreases

• It stays the same

• Nothing

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What is the process plants use to make sugar?

• decomposition

• photosynthesis

• farming

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What is chlorophyll?

• a green pigment found in plant cells that allows plants to use sunlight to make food

• a living thing that gets its energy from breaking down dead organims

• a living thing that cannot make its own food

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What do the arrows of a food chain or food web show?

• the flow or transfer of energy from one organism to another

• how organisms decompose

• how nutrients are made

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What does a producer use during the process of photosynthesis?

• sunlight, water, carbon dioxide

• sugar, carbon dioxide, sunlight

• water and air

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