Nitrogen cycle

Match the following

• Nitrfying Bacteria

• 
• Nitrogen-fixing bacteria

• 
• Plant

• 
• atmosphere(air)

• 
• denitrfying bactera

• 

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What is Nitrogen support with life

• Amino Acids and DNA

• Phosphates

• Sugars and fats

• Oil

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

Which nitrogen cycle process is occurring when bacteria convert ammonium to nitrite and then into nitrate?

• nitrogen fixation

• nitrification

• denitrification

• ammonification

• assimilation

Tags

NGSS.MS-LS2-3

Which of these nitrogen cycle processes converts atmospheric nitrogen to a soil form of nitrogen that is usable by plants?

• nitrogen fixation

• nitrification

• denitrification

• ammonification

• assimilation

Organisms that break down dead plants & animals and release nitrogen back into atmosphere...

• bacteria
• plants
• animals
• producers

Tags

NGSS.MS-LS2-3

Organisms that need nitrogen to survive

• only plants
• only animals
• only bacteria
• all living organisms

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

If the atmosphere is 78% N₂, why can't we just get our nitrogen by breathing?

• We have no mechanism to break the triple bond of nitrogen between the atoms.
• Our lungs would be damaged by the N2.
• We need Oxygen for cellular respiration.
• The legumes take it up first.

Tags

NGSS.MS-LS2-3

Plants and animals cannot use nitrogen directly from the air.

• True
• False

Tags

NGSS.MS-LS2-1

After plants and animals contain nitrogen, what puts it back into atmosphere and soil?

• decomposition
• precipitation
• condensation
• bacteria

Tags

NGSS.MS-LS2-3

Nitrification happens in the ______

• Air 
• Soil 
• Ground Water 
• Plants 

Tags

NGSS.MS-LS2-4

NGSS.MS-ESS2-1