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WorksheetsPhosphorus Cycle
Total questions: 15
Worksheet time: 19mins
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
Too much phosphorus in waterways (rivers, lakes) can lead to___________.
eutrophication
Nothing
Death
diseases
An algal bloom is the rapid growth of a population of
fungi
protozoans
algae
In general, algal blooms occur when
toxins accumulate in shellfish.
nutrients decrease in the water.
nutrients increase in the water.
What is the carrying capacity of the graph?
1000
8000
800
600
What happens if a population grows past its carrying capacity?
The population keeps growing
The population starts to die off
The entire species will go extinct
The carrying capacity just increases
The largest number of individuals that an environment can support long term is...
carrying capacity
emigration
immigration
population density
What is the carrying capacity of the graph?
around 500
more than 800
less than 300
around 700
How does sedimentary rock form?
Cooling of lava or magma.
Compacting and cementing.
Heat and pressure.
Weathering of soils
