diatom
5
8.8
- noun
- /ˈdaɪəˌtɑm/
- Specialized
:
diatomea
- Under higher magnification, microplankton, such as diatoms and ciliates, become visible and are interesting to watch.
- benthic diatoms
- diatom species
- diatom community
So a few years ago they found a new a different kind of plankton called a diatom.
- So a few years ago they found a new a different kind of plankton called a diatom.
Examples
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The microbial communities present in the dry valley streams consist primarily of cyanobacteria, although chlorophytes and diatoms are also common.
Academic text (1999) -
In fact, approximately 60% of the diatom species in dry valley streams may be endemic to Antarctica (Alger 1999).
Academic text (1999) -
During the 1970s, many diatom species that were probably introduced in ballast water were discovered in the Great Lakes.
Academic text (1994) -
One species of diatom, Stephanodiscus binderanus, has been identified as introduced in ballast water.
Academic text (1994) -
Lake conditions in recent years are strongly favoring the growth of a tiny diatom-algae cell called Cyclotella.
Blog text (8) -
Phaeodactylum tricornutum is a unicellular diatom in the class Bacillariophyceae.
Blog text (18) -
Most of the diatoms are attached (benthic) species, although a limited planktonic community develops in some lakes over time.
Academic text (2007) -
Some boulders were covered with a fur of brown diatoms and green filamentous algae, while others were scraped clean.
Academic text (1992) -
Nitrogen increases are marked by the rising abundance of benthic diatoms such as Fragilaria brevistriata, Fragilaria construens, and Fragilaria pinnata.
Academic text (2007)
Surface Forms
Etymology
The word diatom comes from Greek parts di- 'two' and -tom 'to cut', so it originally means 'cut in two'. Diatoms are tiny algae with glass-like shells made of two matching halves, so the name helps you remember their two-part shell.