Processes
Phosphates travel between organisms in a food web by
being eaten
Phosphates dissolving into the water end up in...
plants
Sea birds are part of what?
Ocean food webs
Name any reservoir for phosphates that is a result of human activity:
Phosphate is transferred from one source of water to another by means of...
Run off
When an animal dies, what is the next level of the food chain that receives its phosphates
bacteria/decomposers
Bacteria cycle phosphates into this part of the food web...
producers/plants
Phosphates released as a result of mining enter the nitrogen cycle through
runoff into water sources
Fossils and bones break down and their phosphate cycles due to a process called...
erosion
These decomposers break down and return phosphates to which level of the food chain...
producers/plants
Plants get phosphates from this source...
Phosphates dissolved in water
Farmers can introduce more phosphates into ecosystems through...
fertilizer
plate tectonics
Phosphates in shallow ocean sediments reach sea birds through...
ocean food webs
Plate tectonics lead to what
Phosphate in deep ocean sediment
Most phosphates from human activity move through this process...
runoff
Phosphate is the only nutrient whose cycle does not lead to...
the atmosphere
Phosphates broken down by plate tectonics tend to end up here...
deep ocean sediments
What are 2 processes used to transfer reservoirs?
Plate tectonic and erosion
Runoff from densely populated cities is most likely to introduce phosphates into the phosphorus cycle through this source...
sewage