Sunlight and nutrient
availability are the factors influencing photosynthetic productivity. Plants,
fungi, and algae obtain the energy they need to live from photosynthesis. The
amount of sunlight and the amount of other nutrients (especially nitrogen, phosphorous
and iron) available influence the productivity of organisms through
photosynthesis.
Strategies to Repair the Nervous System. The nervous system is a complex organ made up of nerve cells (also called neurons) and glial cells, which surround and support neurons