Nutrient Cycling

True or False: Phosphorus cycles through the biosphere, geosphere, hydrosphere, and atmosphere.

• True

• False

Tags

SC.HS.8.3

How does phosphorus enter the biological part of the phosphorus cycle?

Evaluate responses using AI:

OFF

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SC.HS.8.3

Which of the following statements is TRUE of the carbon cycle? MARK ALL THAT APPLY.

• This cycle does not have an atmospheric component.

• Includes the processes of photosynthesis, cellular respiration & combustion.

• The primary atmospheric gas in this cycle must be fixed into a form that organisms can use.

• Excess gases released by combustion put this cycle out of balance.

• Evaporation from the oceans is a critical component.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following statements is TRUE of the nitrogen cycle? MARK ALL THAT APPLY.

• This cycle does not have an atmospheric component.

• Includes the processes of photosynthesis, cellular respiration & combustion.

• The primary atmospheric gas in this cycle must be fixed into a form that organisms can use.

• Weathering of rocks is an important process in this cycle.

• Bacteria is a critical part of this cycle.

Tags

NGSS.MS-LS2-3

Which of the following statements is TRUE of the phosphorus cycle? MARK ALL THAT APPLY.

• This cycle does not have an atmospheric component.

• Includes the processes of photosynthesis, cellular respiration & combustion.

• The primary atmospheric gas in this cycle must be fixed into a form that organisms can use.

• Weathering of rocks is an important process in this cycle.

• Bacteria is a critical part of this cycle.

Tags

NGSS.MS-LS2-3

When humans introduce increasing amounts of atmospheric nitrogen to the biosphere, where does that nitrogen end up? MARK ALL THAT APPLY.

• It enters the atmosphere & increases global concentrations of N2 gas.

• It can form nitrous oxide, a green house gas.

• It fertilizes crop fields.

• It enters aquatic systems, stimulating plant & algae growth.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following best describes the importance of biogeochemical cycles?

• They show how certain elements and compounds move through the environment and are continually used and recycled.

• They explain how energy moves through trophic levels of an ecosystem.

• They describe how the adaptations of organisms change based on environmental pressures.

• They chart how biotic changes destroy unstable ecosystems.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following is a key process in the nitrogen cycle that converts nitrogen gas into a form usable by plants?

• Nitrogen fixation

• Photosynthesis

• Respiration

• Combustion

What role do decomposers play in the nutrient cycle?

• They fix atmospheric nitrogen

• They break down dead organisms, returning nutrients to the soil

• They convert solar energy into chemical energy

• They absorb carbon dioxide from the atmosphere

Tags

NGSS.MS-LS2-3

Which nutrient cycle is most directly affected by deforestation?

• Carbon cycle

• Nitrogen cycle

• Phosphorus cycle

• Water cycle

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4