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.
Diatom Definition & Meaning - Merriam-Webster
The meaning of DIATOM is any of a class (Bacillariophyceae) of minute planktonic unicellular or colonial algae with silicified skeletons that form diatomaceous earth.
Diatom - Definition, Reproduction and Location | Biology …
2018年1月21日 · Diatoms are a common type of unicellular phytoplankton that likely originated around the Jurassic period. Diatoms can form colonies characterized by particular shapes (e.g., stars, fans, and ribbons) and are encapsulated by a unique cell wall composed of …
Diatom | Description, Characteristics, & Reproduction | Britannica
2024年11月22日 · 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 the waters of Earth.
Diatom - Definition and Examples - Biology Online Dictionary
2022年6月24日 · Diatom Definition. A diatom is a unicellular eukaryotic alga characterized by having a siliceous covering and a symmetrical body. Diatoms are mostly aquatic, being found in fresh, brackish, and saltwater. Some are found in moist places, such as soil. Diatoms comprise the taxonomic phylum Bacillariophyta. They may be solitary or in colonies.
What are Diatoms? - Diatoms of North America
Diatoms are single-celled algae. 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. Diatom cell walls are ornamented by intricate and striking patterns of silica.
Diatoms – Definition, Structure, Life Cycle, Importance
2024年4月9日 · Definition of Diatom. 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 of aquatic ecosystems.
DIATOM definition and meaning | Collins English Dictionary
any of a class (Bacillariophyceae) of microscopic algae (division Chromophycota), one-celled or in colonies, whose cell walls consist of interlocking parts and valves and contain silica: diatoms are a source of food for all kinds of marine life
Diatom - definition of diatom by The Free Dictionary
Define diatom. diatom synonyms, diatom pronunciation, diatom translation, English dictionary definition of diatom. n. Any of various microscopic one-celled or colonial heterokonts of the class Bacillariophyceae that are photosynthetic, have a silica cell wall made up of...
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 of silica (hydrated silicon dioxide).
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