Nitrogen Cycle

Organisms that need nitrogen to survive

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

Tags

NGSS.MS-LS2-1

Organisms that play a role in the nitrogen cycle

• only plants
• only animals
• only bacteria
• plants, animals, & bacteria

Tags

NGSS.MS-LS2-3

All plants have nitrogen fixing nodules on their roots.

• True
• False

Nitrogen rich fertilizers and manure can cause water pollution.

• True
• False

Tags

NGSS.HS-LS2-7

How nitrogen is "fixed" into useable form for plants

• through action of bacteria
• through lightning
• through action of bacteria & lightning
• through photosynthesis

Plants and animals need nitrogen to make __________.

• Protein
• Carbohydrates
• Lipids
• Minerals

Organism that breaks down dead plants & animals and releases nitrogen back into atmosphere

• bacteria
• plants
• animals
• producers

Tags

NGSS.MS-LS2-3

How plants get the nitrogen they need

• from the air
• from the soil or water in which they live
• from the Sun
• from broken down rocks

Tags

NGSS.MS-LS2-1

Gas that makes up about 78% of Earth's atmosphere

• oxygen

• carbon dioxide

• nitrogen

• hydrogen

Nitrogen is the most plentiful gas in the atmosphere.

• True
• False