What nutrients often limit the distribution and abundance of photosynthetic organismWhich of the following is defined as the number of individuals of a population per unit area?
Nutrients that often limit the distribution and abundance of photosynthetic organisms, such as phytoplankton and terrestrial plants, include nitrogen, phosphorus, and iron. These nutrients are essential for growth but may be in short supply in certain environments, affecting productivity. The term defined as the number of individuals of a population per unit area is "population density."