A diatom (Neo-Latin diatoma) [a] is any member of a large group comprising several genera of algae, specifically microalgae, found in the oceans, waterways and soils of the world. Living diatoms make …

Feb 11, 2026 · diatom, (class Bacillariophyceae), any member of the algal class Bacillariophyceae (division Chromophyta), with about 16,000 species found in sediments or attached to solid …

Diatoms are the most diverse protists on earth Diatoms are eukaryotes, one of the Heterokont algae. Estimates of the number of diatom species range from 20,000 - 2 million. Scientists are discovering …

Jul 25, 2025 · Diatoms are microscopic, single-celled algae found in nearly every aquatic environment on Earth, from oceans and freshwater lakes to moist soils. These abundant organisms, often …

Apr 9, 2024 · A diatom is a tiny, single-celled algae with a hard shell made of silica, found in oceans, waterways, and soil. They play a crucial role in oxygen production, nutrient cycling, and the food web …

Apr 11, 2025 · Diatoms constitute one of the most diverse and ecologically important phytoplankton groups, yet their large-scale diversity patterns and drivers of abundance are unclear due to limited...

Diatoms are microscopic organisms that are found all over our planet in both aquatic and terrestrial systems. Diatoms are classified as photosynthetic algae. They use energy from the sun to make …

3 days ago · Diatoms are found in marine, estuarine and freshwater ecosystems, inhabiting a wide range of environmental conditions. Because they are found in almost any place that has, or has had, …

Diatom is the common name for a major group of unicellular or (less commonly) colonial algae comprising the protist taxon Bacillariophyceae (or Bacillariophyta), characterized by unique cell walls …

Diatoms are unicellular organisms within the phylum Bacillariophyta, characterized by a bipartite silica shell called a frustule. They possess chloroplasts containing chlorophylls a and c, enabling oxygenic …