Nitrogen Cycle

What does most nitrogen fixation? 

• the soil
• nitrogen-fixing bacteria
• water 
• the sun

Tags

NGSS.MS-LS2-3

Where is most nitrogen stored the most? 

• the ocean 
• in plants
• in the atmosphere 
• bacteria 

Tags

NGSS.MS-LS2-3

Peas and beans are examples of these. 

• flowers
• grass 
• legumes
• soil 

Why do herbivores need nitrogen?

• to gain weight 
• amino acids, nucleic acids, proteins
• they do not need it 
• they need nitrogen for protection 

Tags

NGSS.MS-LS2-1

How do plants and animals get nitrogen if not from the atmosphere?

• nitrogen fixation
• from water 
• from sun
• from the store

Is the nitrogen cycle a process of recycling nitrogen back into the Earth. True or False. 

• True
• False

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS2-3

Roses are grown by farmers to add nitrogen to the soil. True or False. 

• True
• False

Nitro fixation and nitrification are the same thing? 
True or False. 

• True
• False

Tags

NGSS.MS-LS2-3

The nitrogen cycle is not important to us. 

• True
• False

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

The nitrogen cycle is not important to us. 
True or False. 

• True
• False