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As division occurs, regionalization of the skate can be observed, with head and tail regions. Development continues with the formation of neural components, as well as spiracles and gill filaments. Other structures and organs continue to differentiate and grow, and finally the mottled pattern of the dorsal surface is developed. [18]
Elasmobranchii is one of the two subclasses of cartilaginous fish in the class Chondrichthyes, the other being Holocephali . Members of the elasmobranchii subclass have no swim bladders, five to seven pairs of gill clefts opening individually to the exterior, rigid dorsal fins, and small placoid scales. The teeth are in several series; the ...
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Honeywell said that it may calve its aerospace division from the conglomerate, sending shares up more than 2% before the opening bell Monday. The announcement arrives about one month after Elliott ...
In 1954, the founders of Radiospares expanded the company's focus from shops and home users to the industrial sector and began selling electronic components to manufacturers. [2] The company was first listed on the London Stock Exchange as Electrocomponents in 1967. [2] It also operated from Fitzroy House in Epworth Street in Islington during ...
When local markets closed Wednesday, Nissan's stock was nearly 24% higher, while Honda's was down 3%. The companies hope a merger could help them take on Tesla and Chinese EV makers, Nikkei reported.
The median PFHxA concentration was nearly 800 parts per billion (ppb), but one sample had a concentration of more than 16,000 ppb. (By comparison, ...
The sandbar shark, true to its nickname, is commonly found over muddy or sandy bottoms in shallow coastal waters such as bays, estuaries, harbors, or the mouths of rivers, but it also swims in deeper waters (200 m or more) as well as intertidal zones.