Carbon Dioxide Oxygen Cycle

Plants use CO₂ in the process of ___________________ to make ___________ and oxygen.

• Photosynthesis and Water

• Photosynthesis and Sugar

• Photosynthesis and Coal

• Photosynthesis and Oxygen

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

Plants release ____________ as a waste PRODUCT.

• carbon dioxide

• oxygen

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NGSS.MS-LS1-6

Plants need _______________ to survive.

• oxygen

• carbon dioxide

Tags

NGSS.MS-LS1-6

Animals and people need ____________ to survive.

• oxygen

• carbon dioxide

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

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

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

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-LS1-6

NGSS.MS-LS2-3

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.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following add carbon dioxide to the atmosphere?

• volcanoes

• combustion of fossil fuels

• animal and plant respiration

• all of these

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NGSS.MS-ESS3-4

What is happening at 2?

• respiration: releasing CO₂

• decomposing CO₂ in the soil

• photosynthesis: absorbing CO₂

• turning CO₂ from the atmosphere into organic molecules

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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

Tags

NGSS.MS-LS2-1