diatom
Noun
Meaning
One of the Diatomaceae, a family of minute unicellular Algae having a siliceous covering of great delicacy, each individual multiplying by spontaneous division. By some authors diatoms are called Bacillariae, but this word is not in general use.
A particle or atom endowed with the vital principle.
Source: Webster's dictionarySynonyms
Hypernyms
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Examples
About half of these are also found in the T. pseudonana genome, attesting their ancient incorporation in the diatom lineage.
A single diatom at first look may not seem to be a cell, but diatoms are eukaryotic organisms with common organelles such as a nucleus, mitochondria, and golgi complex.
Additional factors such as predation by zooplankton and ammonium -based regenerated production also have a role to play in the annual diatom cycle.
A new diatom cell of maximum size, the initial cell, forms within the auxospore thus beginning a new generation.
Climate Change 2007: Synthesis Report. 104. could thus in theory result in a significant loss of diatom diversity, although from current knowledge it is impossible to say if this would occur rapidly or only over many tens of thousands of years.
Fossil record Paralia sulcata diatom imaged using the University of Tasmania scanning electron microscope.