Biogeochemical Cycle- Phosphorus Cycle

Multiple Choice

Phosphorous is passed from plants to ____ who eat them

• plants
• animals
• scavengers

Multiple Choice

_____ brings phosphorous into our waterways. .

• precipitation
• runoff
• transpiration
• condensation

Multiple Choice

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.

Multiple Choice

What role do decomposers play in the phosphorous cycle?

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

Multiple Choice

This is released by the weathering of rocks.

• Carbon
• Oxygen
• Phosphorus
• Nitrogen

Multiple Choice

Phosphorus is mainly found (stored) in the atmosphere.

• True

• False

Multiple Choice

What three organisms play a role in the phosphorus cycle?

• nitrifying bacteria, denitrifying bacteria, and decomposers

• plants, animals, and decomposers

• neither of these