Nitrogen Cycle Practice

What type of bacteria converts nitrogen gas in the atmosphere to ammonia and nitrate?

• Ammonifying and Nitrifying Bacteria

• Nitrogen Fixing Bacteria

• Decomposing bacteria

• Denitrifying bacteria

Which is NOT part of eutrophication?

• Nitrates in runoff concentrate in streams, lakes, and the ocean

• Causes drastic increases in algae and phytoplankton. (producers)

• Convert nitrates back into atmospheric nitrogen

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which factor has a key role in this cycle?

• Plants

• Producers

• Atmospheric Nitrogen

• All of the above

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

What factor cannot be used directly by plants?

• Carbon Dioxide

• Fossil Fuels

• Oxygen

• Atmospheric Nitrogen

What does Rhizobium Bacterium transform atmospheric nitrogen into?

• Nitrates

• Ammonia

• Pneumonia

• Fossil Fuels

What do Nitrifying bacteria form Ammonia into?

• Nitrates

• Nitrites

• Oxygen

• Both Nitrites and Nitrates

Nitrogen Fixation can also occur by...?

• Oxygen

• Lightning Strikes

• Tectonic Plates

• The Atmosphere

Tags

NGSS.MS-LS2-3

After a lightning strike, plants take ___________ from the soil.

• Nitrites

• Oxygen

• Nitrates

• Fossil Fuels

Tags

NGSS.MS-LS2-1

After a plant takes in nitrates, what do they convert them into?

• Proteins

• Food

• Pollum

• Nitrites

Tags

NGSS.MS-LS1-7

Animals then eat ________ to get proteins.

• Plants

• Mud

• Milk

• Insects