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  1. Diatom - Wikipedia

    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 …

  2. Diatom | Description, Characteristics, & Reproduction | Britannica

    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 …

  3. What are Diatoms? - Diatoms of North America

    Diatoms are algae that live in houses made of glass. They are the only organism on the planet with cell walls composed of transparent, opaline silica, which forms intricate and striking patterns. Why should …

  4. Diatom Species: What They Are & Why They Matter

    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 …

  5. DiatomBase

    4 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, …

  6. Diatoms | Springer Nature Link (formerly SpringerLink)

    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 …

  7. Diatoms - Jewels Of The Sea ~ MarineBio Conservation Society

    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 …

  8. Diatoms – Definition, Structure, Life Cycle, Importance

    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 …

  9. Diatom - New World Encyclopedia

    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 …

  10. Notes on Diatoms - University of Arizona

    Diatoms reproduce asexually by cell division to produce two daugther cells by mitosis; each daughter cell receives one valve and it is reproduced by furrowing. The cell has vesicles that increase the …