Diatoms - Life in glass houses Champions of photosynthesis, these unicellular organisms appeared at the time of dinosaurs.They produce a quarter of the oxygen we breathe.
Profiling float (Photo : David Luquet)
Rosette used to collect seawater samples during a scientific cruise in the South Pacific Ocean. (Photo : Joséphine Ras)
Foraminifera (Photo : Fabien Lombard)
Dinoflagellate Ceratium praelongum (Photo : Sophie Marro)
