FRANK FOX / SCIENCE PHOTO LIBRARY FRANK FOX / SCIENCE PHOTO LIBRARY
Green algae (Staurastrum arctiscon) differential interference contrast (DIC) light micrograph. This freshwater desmid alga consists of two semi-cells joined by a narrow channel. Green algae produces between 70-80% of the Earth’s oxygen. Magnification: x570 when printed at 10 centimetres wide.
Model release not required. Property release not required.