Diatom. Coloured scanning electron micrograph (SEM) of a Triceratium formosum (quadrate form) diatom. The diatoms are a group of photosynthetic, singl

---

Diatom. Coloured scanning electron micrograph (SEM) of a Triceratium formosum (quadrate form) diatom. The diatoms are a group of photosynthetic, single-celled algae containing about 10,000 species. They form an important part of the plankton at the base of the marine and freshwater food chains. The characteristic feature of diatoms is their intricately patterned, glass-like cell wall, or frustule. The frustule often has rows of tiny holes, known as striae. Magnification: x800 when printed at 10 centimetres wide.

---

Size: 4430px × 4025px
Photo credit: © STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: alga, aquatic, biological, biology, botanical, botany, coloured, diatom, false-colour, false-coloured, form, formosum, frustule, microbiological, microbiology, nature, phytoplankton, plankton, planktonic, quadrate, sem, silica, single, single-celled, striae, triceratium, unicellular