Which of the Following is an Example of a Local

Question

Which of the following is an example of a local biogeochemical cycle?
A) O₂ released by oak trees in a forest
B) CO₂ absorbed by phytoplankton in the open ocean
C) excess NO₃⁻ converted to N₂ by denitrifying soil bacteria
D) phosphorous being absorbed from the soil by a corn plant
E) organic carbon remains of a leaf being converted to CO₂ by a fungus

Accepted Answer

Phosphorus cycles locally because it does not have a gaseous phase and typically moves through soil, plants, and animals within a localized area.