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50.3 MB (50.0 MB compressed)
5138 x 3425 pixels
43.4 x 29.0 cm ⏐ 17.1 x 11.4 in (300dpi)
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.
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