If phosphorus concentrations were to suddenly increase in a marine ecosystem, which of the following would likely occur?
A)increased primary productivity
B)decreased primary productivity
C)no change in the rate of primary productivity

Question

Quizplus · Accepted Answer

Phosphorus is a key nutrient needed for plant growth, including phytoplankton which are primary producers at the base of the marine food chain. An increase in phosphorus availability would likely cause an increase in primary productivity. However, this can also lead to eventual oxygen depletion and ecosystem imbalances such as harmful algal blooms.

If Phosphorus Concentrations Were to Suddenly Increase in a Marine