Carbon and Nitrogen Cycles

During photosynthesis, carbon is moved from which reservoir to which reservoir?

• From the atmosphere to the terrestrial biosphere.
• From the troposphere to the terrestrial biosphere.
• From the lithosphere to the terrestrial biosphere.
• From the hydrosphere to the terrestrial biosphere

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

How does carbon in a grass plant get into a lion?

• The lion eats an antelope that ate the grass

• Carbon from grass doesn't end up in a lion.

• The lion absorbs the carbon given off by transpiration

• The lion breathes in carbon given out by the plant

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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-ESS2-1

NGSS.MS-LS2-3

How nitrogen is "fixed" into useable form for plants

• only through action of bacteria
• only through lightning
• through action of bacteria & lightning
• through photosynthesis

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NGSS.MS-LS2-3

TRUE or FALSE?
All of the carbon in existence is continually recycled in the carbon cycle.

• True
• False

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NGSS.MS-ESS2-1

NGSS.MS-LS2-3

The average temperature of the surface of Earth has increased approximately 1°C in the past century. Which reason best explains this increase in temperature?

• lower levels of ozone in the atmosphere
• lower levels of nitrogen in the atmosphere
• higher levels of carbon dioxide and other greenhouse gases in the atmosphere
• higher levels of oxygen in the atmosphere

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NGSS.MS-ESS3-5

Which describes the relationship between plants and animals in the carbon cycle?

• Plants produce and release oxygen that animals need

• Plants produce and release carbon dioxide that animals need

• Animals produce and release oxygen that plants need

• Animals produce oxygen that plants turn into carbon dioxide

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

How do  animals get nitrogen?

• the atmosphere 
• eating other organisms
• bacteria
• lightning 

Building proteins and DNA is the reason organisms need what substance?

• Water
• Carbon
• Nitrogen
• Calcium

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NGSS.HS-LS1-1

NGSS.HS-LS1-6

How do living organisms return carbon to the atmosphere in the carbon cycle?

• respiration and photosynthesis
•  decomposition and respiration

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NGSS.HS-LS1-7

NGSS.HS-LS2-5