- few (centric
diatoms) are
radially symmetric,
while most (pennate
diatoms) are
broadly bilaterally symmetric. A
unique feature of
diatom anatomy is that...
-
Diatomic molecules are
molecules composed of only two atoms, of the same or
different chemical elements. The
prefix di- is of Gr**** origin,
meaning "two"...
-
pennate diatoms (Centrales and Pennales). This cl****ification was
extensively overhauled by Round,
Crawford and Mann in 1990 who
treated the
diatoms at a...
- A
deposit containing diatoms from this
epoch can
provide many more
benefits than that of an
older deposit. For example,
diatoms from the
Eocene epoch...
-
Diatomic carbon (systematically
named dicarbon and 1λ2,2λ2-ethene), is a green,
gaseous inorganic chemical with the
chemical formula C=C (also written...
-
growth in
diatoms is
caused by the in-wash of silicon-bearing
terrestrial sediments, and when the
supply of
silicon is exhausted, the
diatoms begin to...
- are a cl**** of
diatoms. They are
similar to the Centrales, a traditional,
paraphyletic subdivision of the
heterokont algae known as
diatoms. The
order is...
- the
living diatoms to
determine characteristics of
their environment. In
early spring and the fall, the
ratio of
living diatoms to dead
diatoms is high,...
- cell
walls made of the N-acetylglucosamine
polymer chitin. Unusually,
diatoms have a cell wall
composed of
biogenic silica. A
plant cell wall was first...
- are over 100,000
species of
diatoms accounting for 25–45% of the ocean's
primary production Linked diatoms Pennate diatom from an
Arctic meltpond, infected...