Change Date: 15 Nov 2016, 11:12 a.m.
iron_growth_limitation_of_diatoms 1 [UUUU] Phytoplankton are autotrophic prokaryotic or eukaryotic algae that live near the water surface where there is sufficient light to support photosynthesis. Diatoms are single-celled phytoplankton with an external skeleton made of silica.