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- 1. Multiple Choice
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
- 2. Multiple Choice
_____ brings phosphorous into our ecosystems and waterways.
Precipitation
Runoff
Transpiration
Condensation
- 3. Multiple ChoiceWhich 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.
- 4. Multiple ChoiceWhat role do decomposers play in the phosphorous cycle?absorb phosphorousrelease phosphorous into atmospherereturn phosphorous into the soilcombustion
- 5. Multiple Choice
This is released by the weathering of rocks.
Carbonate
Phosphate
Phosphorus
Nitrogen
- 6. Multiple Choice
Too much phosphorus in waterways (rivers, lakes) can lead to___________.
depletion of oxygen
nothing
decreased pH levels
diseases
- 7. Multiple Choice
What is the phosphorus' symbol on the periodic table?
P
pH
Ph
PO
- 8. Multiple Choice
The major storage for phosphorus is
sedimentary rock
atmospheric gases
seawater
rivers
- 9. Multiple Choice
In order for us (animals) to get our phosphorus we must eats plants and other animals that eat plants.
TRUE
FALSE
- 10. Multiple Choice
What things add phosphorus to the soil? Check all that apply.
Decomposition by bacteria
Erosion
Excretion (animal waster)
Photosynthesis
Respiration
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