Nitrogen Cycle

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

• bacteria

• rain

• fungi

• car exhaust

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-LS2-1

What is the process of combining nitrogen gas with other elements to make nitrogen into usable compounds?

• nitrogen composition

• nitrogen fixation

• ammonia

• denitrification

What is the formula for atmospheric nitrogen?

• N

• N₂

• NH₃

• NO₃

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

Plants and animals cannot use nitrogen directly from the air.

• True

• False

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

According to this diagram, plants use nitrogen to make _________________________

• bacteria

• animals

• proteins

• decomposers

According to this diagram, animals get proteins from eating ________________________

• decomposers

• bacteria

• plants

• sunlight

Tags

NGSS.MS-LS2-2

Organisms require nitrogen to make which of the following?

• Glucose

• Proteins

What is the process where plants use nitrates to grow?

• Nitrogen Fixation

• Ammonification

• Assimilation

• Nitrification

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

NGSS.MS-LS1-5