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 …

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

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 …

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 …

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 …

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 …

2 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, …

Aug 13, 2025 · Diatoms are single celled organisms, they are very small algae of the class Bacillariophyceae (Bhat et al., 2025). Diatoms are found primarily in oceans and freshwater …

Diatoms, one of the largest groups of organisms on Earth, are unicellular algae. Scientists estimate there could be as many as 2 million species of diatoms — new species are discovered every year. …

Aug 7, 2025 · Diatoms, a group of microscopic eukaryotic algae, are vital components of aquatic ecosystems worldwide. These single-celled organisms belong to the class Bacillariophyceae within …