Search results
Results From The WOW.Com Content Network
For many years the diatoms—treated either as a class (Bacillariophyceae) or a phylum (Bacillariophyta)—were divided into just 2 orders, corresponding to the centric and the pennate diatoms (Centrales and Pennales; alternative names Biddulphiales and Bacillariales, as used e.g. in Lee, 1989). [9]
Bacillariophyta Engler & Gilg, 1919 [6] ... Today (writing at mid 2020 ... An example of proxies is the use of diatom isotope records of δ13C, ...
Three diatom species were sent to the International Space Station, together with the huge (6 mm length) diatoms of Antarctica and the exclusive colonial diatom, Bacillaria paradoxa.
NBC’s TODAY is a news program that informs, entertains, inspires and sets the agenda each morning for Americans, starting at 7 a.m. Want to know more about hosts Savannah Guthrie, Craig Melvin ...
Within the diatoms (Bacillariophyta), harmful effects can be due to physical damage or to toxin production. Centric diatoms like Chaetoceros live as colonial chains of cells with long spines (setae) that can clog fish gills, causing their death.
Today's Special is a Canadian children's television program produced by Clive VanderBurgh at TVOntario, originally broadcasting 120 episodes from 1981 to 1987. Much of the series was set in a department store , based on Simpson's then-flagship location in Toronto .
Gyrista was first described in 1998 by protistologist Thomas Cavalier-Smith in his work A revised six-kingdom system of life, originally as a superphylum containing two phyla: Ochrophyta, the heterokont algae; and Bigyra, which then contained the pseudofungi and bigyromonads together with the opalines. [1]
Savannah Guthrie, Hoda Kotb, Al Roker and more of the NBC morning show stars have welcomed children over the years. Kotb, for her part, became a mother in February 2017 when she adopted her ...