Cycling of Matter

How do animals obtain nitrogen stored in plants?

• Denitrifying bacteria

• Nitrogen fixing bacteria

• Directly from the atmosphere

• They eat the plants

Tags

NGSS.MS-LS2-1

Where can you find carbon?

• Only in the Earth's atmosphere

• Inside all water molecules

• Inside the sun

• Inside every living thing on Earth

Tags

NGSS.HS-ESS2-6

NGSS.HS-LS2-5

Decomposition releases __________ into the soil

• hydrogen
• oxygen
• nitrogen
• helium

Tags

NGSS.MS-LS2-3

In the atmosphere, carbon attaches to oxygen to form _____.

• C
• O
• CO₂ 
• C₆H₁₂O₆

Tags

NGSS.HS-ESS2-6

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

• respiration and photosynthesis
•  decomposition and respiration

Tags

NGSS.HS-LS2-5

NGSS.HS-LS1-7

In the carbon cycle, producers take in the gas __

• carbon dioxide
• oxygen
• nitrogen
• carbon monoxide

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

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

• True
• False

Tags

NGSS.MS-LS2-3

NGSS.MS-ESS2-1

Which is a true statement?

• Humans depend on oxygen, plants depend on carbon dioxide

• Plants produce carbon dioxide

• Humans depend on carbon dioxide, plants depend on oxygen

• Humans don't depend on plants for the air they need

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Carbon can be found in...

• The atmosphere
• Soil
• Fossil fuels
• All of the above

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

When animals eat plants, the carbon that the plant contains is absorbed by the animals.

• True

• False

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6