Nutrient Cycles

What are the four most important materials needed by living organisms?

• water, carbon, oxygen, nitrogen
• water, food, oxygen, carbon
• water, carbon, nitrogen, phosphorous
• water, carbon, food, phosphorous

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

How much of the Earth's water is stored in the oceans?

• 50%
• 67%
• 97%
• 85%

Tags

NGSS.MS-ESS2-4

This is essential to living organisms, it is found in nucleic acid and amino acids.

• Nitrogen
• Carbon
• Water
• Phosphorous

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

The conversion of nitrate to nitrogen gas is called what?

• nitrification
• renitrification
• denitrification
• unnitrification

What is it called when water vapor cools and changes into a liquid?

• condensation
• respiration
• precipitation
• evaporation

Tags

NGSS.MS-ESS2-4

Which of the following is NOT a stage of the nitrogen cycle?

• organisms breathe in nitrogen gas
• organisms release nitrogen compounds via waste or decomposition
• bacteria convert unusable nitrogen to usable nitrogen
• plants absorb nitrogen compounds from the soil

Which of the following is NOT part of the carbon cycle?

• condensation
• photosynthesis
• combustion
• respiration

Which of these is the greatest cause of harmful levels of carbon in the atmosphere?

• respiration
• combustion
• photosynthesis
• decomposition

Tags

NGSS.MS-ESS3-4

What cycle is shown in the diagram?

• The Life Cycle

• The Nitrogen Cycle

• The Carbon Cycle

• The Water Cycle

Tags

NGSS.MS-ESS2-4

Identify the cycle pictured.

• The Water cycle
• The Carbon cycle
• The Nitrogen cycle
• The Phosphorus cycle

Tags

NGSS.MS-LS2-3

NGSS.MS-ESS2-1