Diatoms. Coloured scanning electron micrograph (SEM) of Campylodiscus species diatoms. The diatoms are a group of photosynthetic, single-celled algae containing about 100, 000 species — Stock photos

"Diatoms. Coloured scanning electron micrograph (SEM) of Campylodiscus species diatoms. The diatoms are a group of photosynthetic, single-celled algae containing about 100, 000 species" is an authentic stock image by ScienceRF. It’s available in the following resolutions: 1600 x 1347px, 2600 x 2189px, 4572 x 3850px. The minimum price for an image is 49$. Image in the highest quality is 4572 x 3850px, 300 dpi, and costs 449$.