Cycles of Matter Phosphorus

This is NOT a part of the phosphorus cycle.

• Phosphate is incorporated into sedimentary rocks

• erosion and run off

• Atmospheric phosphate

• Phosphate is absorbed from the soil by plants

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NGSS.MS-LS2-1

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_____ brings phosphorous into our ecosystems and waterways.

• Precipitation

• Runoff

• Transpiration

• Condensation

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NGSS.MS-LS2-3

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.

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NGSS.MS-LS2-1

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What role do decomposers play in the phosphorous cycle?

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

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NGSS.MS-LS2-3

This is released by the weathering of rocks.

• Carbonate

• Phosphate

• Phosphorus

• Nitrogen

Too much phosphorus in waterways (rivers, lakes) can lead to___________.

• depletion of oxygen

• nothing

• decreased pH levels

• diseases

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NGSS.MS-LS2-4

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What is the phosphorus' symbol on the periodic table?

• P

• pH

• Ph

• PO

The major storage for phosphorus is

• sedimentary rock

• atmospheric gases

• seawater

• rivers

In order for us (animals) to get our phosphorus we must eats plants and other animals that eat plants.

• TRUE

• FALSE

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NGSS.MS-LS2-1

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What things add phosphorus to the soil? Check all that apply.

• Decomposition by bacteria

• Erosion

• Excretion (animal waster)

• Photosynthesis

• Respiration

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NGSS.MS-LS2-3