Nitrogen&Carbon Cycle Review

What process is the letter A demonstrating?

• Respiration

• Combustion

• Decomposition

• Photosynthesis

Tags

NGSS.MS-LS1-6

What process is demonstrated by the letter B

• Photosynthesis

• Combustion

• Respiration

• Decomposition

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

What converts nitrogen gas into a usable form for plants and animals?

• bacteria

• rain

• fungi

• car exhaust

How is nitrogen "fixed" into a usable form for plants?

• Through action of bacteria only

• Through lightning only

• Through action of bacteria and lightning

• Through photosynthesis

Tags

NGSS.MS-LS2-3

How do animals get the nitrogen they need?

• From the air they breathe

• From the water they drink

• From the food they eat

• From the sun

Tags

NGSS.MS-LS2-3

What process occurs when dead plant and animal matter decomposes and nitrogen is released back into the atmosphere?

• Assimilation

• Fixation

• Ammonification

• Denitrification

Tags

NGSS.MS-LS2-3

When humans burn fossil fuels, most of the carbon quickly enters the as carbon dioxide.

• Water

• Atmosphere

• Sun

• Earth

What does not produce carbon dioxide?

• Photosynthesis
• Burning Fossil Fuels
• Animal respiration
• Plants decaying

Tags

NGSS.MS-LS1-6

Nitrifying bacteria _______ nitrogen from the atmosphere. Denitrifying bacteria______nitrogen into the atmosphere.

• Remove, Add

• Add, Remove

• Remove, Remove

• Add, Add

Tags

NGSS.MS-LS2-3

After Nitrifying bacteria ‘Fix” nitrogen and add it to the soil it can be used by

• Plants

• Water

• the atmosphere

• Lightning

Tags

NGSS.MS-LS2-3