Phosphorus Cycle

What is the original, and primary reservoir of inorganic phosphate (PO₄^3-)in terrestrial ecosystems?

• live plants and animals

• groundwater

• the atmosphere

• rocks

Tags

NGSS.MS-ESS2-1

Nitrogen and carbon are cycled on a global scale. Why does phosphorus cycling tend to occur more locally?

• it primarily involves the weather of rocks, which are mostly stationary

• it only involves land animals that cannot swim across oceans to transport the nutrient

• it occurs in areas where cloud formation is low, so it rarely gets trapped in water vapors

• all of the answers are correct

The phosphorus cycle occurs much more quickly than the carbon and nitrogen cycles.

• true

• false

This is NOT a part of the phosphorus cycle.

• Phosphate is incorporated into sedimentary rocks

• Phosphate bound to soil

• Atmospheric phosphate

• Phosphate is absorbed from the soil by plants

Phosphorous is passed from plants to ____ who eat them

• plants
• animals
• scavengers

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

Which of the following statements is true of the phosphorus cycle?

• Phosphorus enters the atmosphere as phosphates.
• The phosphorus cycle utilizes the processes of erosion, and weathering.
• Phosphates are used in carbohydrate and glucose storage.
• The phosphorus cycle utilizes bacteria to breakdown phosphates and make them available for plants.

Tags

NGSS.MS-LS2-3

What role do decomposers play in the phosphorous cycle?

• absorb phosphorous 
• release phosphorous into atmosphere
• return phosphorous into the soil
• combustion

Tags

NGSS.MS-LS2-3

T/F. The phosphorus cycle does not have a gas phase.

• true

• false

Tags

NGSS.MS-LS2-3

The physical and chemical breakdown of rocks causes phosphate ions to be released.

• Decomposition

• Sedimentation

• Uplift

• Weathering

Tags

NGSS.MS-ESS2-1

When decomposers recycle phosphate from dead organisms.

• Decomposition

• Sedimentation

• Uplift

• Weathering

Tags

NGSS.MS-LS2-3