Phosphorus Cycle

_____ brings phosphorous into our waterways. .

• Precipitation

• Runoff

• Transpiration

• Condensation

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

This is released by the weathering of rocks.

• Carbonate

• Phosphate

• Phosphorus

• Nitrogen

Tags

NGSS.MS-ESS2-2

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

• eutrophication

• nothing

• decreased pH levels

• diseases

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

The major sink for phosphorus is

• sedimentary rock

• atmospheric gases

• seawater

• plants

Tags

NGSS.MS-LS2-3

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

This is released by the weathering of rocks.

• Carbon
• Oxygen
• Phosphorus
• Nitrogen

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

Which nutrient is not cycled through the atmosphere and stays only on ground level?

• carbon
• nitrogen
• phosphorus
• water

In general, algal blooms occur when

• toxins accumulate in shellfish.

• nutrients decrease in the water.

• nutrients increase in the water.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3