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 …

Mar 24, 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 …

Mar 1, 2022 · Diatoms are a major phytoplankton group, playing a critical role in the biogeochemical cycles of chemical elements such as carbon. They are one of the most abundant single-celled …

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 …

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, …

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 …

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 …

iophyceae (diatoms) Description: Diatoms are microscopic, unicellular organisms that have a c. ll wall made of silicon dioxide. For this reason, they are sa. d to live in “glass houses.” There a. e thousands …