Front

What is the process called where nitrogen in the soil can be liberated back into the atmosphere?

Back

Denitrification

Front

What is the process called where decomposers turn nitrogen compounds into ammonia?

Back

Ammonification

Front

What is the process called where plants take up nitrates from the soil?

Back

Assimilation

Front

What is the process called where bacteria convert ammonia into usable nitrates?

Back

Nitrification

Front

What is the process called where bacteria take nitrogen out of the atmosphere and convert it into usable nitrates?

Back

Nitrogen fixation

Front

What nitrogen compounds do decomposers produce?

Back

Ammonia

Front

Which of the following describes assimilation?

• Uptake of nitrates by plants
• Bacteria taking nitrogen out of the atmosphere
• Bacteria returning nitrogen to the atmosphere
• Bacteria turning ammonia into nitrates

Back

Uptake of nitrates by plants

Front

I turn unusable ammonia into usable nitrates. Who am I?

Back

Nitrifying bacteria

Front

Who helps nitrogen trapped in the soil escape from 'organic slavery'?

Back

Denitrifying bacteria