Carbon and Oxygen Cycle

What does an "exchange of gases" mean?

• It means that gases are apart of everything. 
• It means that orange juice is an upside down milkshake with a missing tail.
• It means that humans and plants trade gases back and forth.
• It means that carbon in apart of all living things. 

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NGSS.MS-LS2-3

Which type of organism gets its energy directly from the Sun?

• producer
• consumer
• composer
• decomposer

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NGSS.MS-LS1-6

Which statement is true about the carbon dioxide-oxygen cycle?

• animals breathe in nitrogen and release oxygen which is used by plants
• animals breathe in oxygen and release carbon dioxide which is used by plants
• animals breathe in nitrogen and release carbon dioxide which is used by plants
• animals breathe in carbon dioxide and release oxygen which is used by plants

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NGSS.MS-LS2-3

NGSS.MS-LS1-6

Animals and plants use substances that cycle through the environment.  Which substance is needed by plants to survive and is released into the environment by animals?

• oxygen
• sugar
• salt
• carbon dioxide

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NGSS.MS-LS2-3

NGSS.MS-LS1-6

The CO2/O cycle is important to animals because it provides

• a gas they take in when breathing
• chemicals that build bones
• energy they need to move
• fresh water for their survival

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NGSS.MS-LS2-3

Plants use _____________ to make their own food during photosynthesis.

• water
• energy from the Sun
• CO2
• water, energy from Sun, CO2

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NGSS.MS-LS1-6

In the CO2/O cycle arrows in a diagram represents __________.

• The cycling of water through the environment.
• The cycling of nitrogen through the environment.
• The cycling of CO2 and O through the environment.
• The cycling of energy through nonliving parts of the environment.

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NGSS.MS-LS2-3

Which of the following is an example of a decomposer?

• Owl
• Fish
• Tree
• Mushroom

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NGSS.MS-LS2-3

Organisms that do not decompose can be buried and become what?

• water
• nutrients
• air
• fossil fuels

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NGSS.MS-ESS2-3

All of the carbon in existence is continually recycled in the carbon cycle

• True
• False

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NGSS.MS-LS2-3

NGSS.MS-ESS2-1