Our analysis of production and cost begins with a period economists call the short. run. Theshort run in this microeconomic context is a planning period over which the. managers of a firm must consider one or more of their factors of production as fixed.
Sharks have two sets of paired fins on the sides of their body, in the same general position as the main wings and horizontal tail wings of a plane. The shark can position these fins at different angles, changing the path of the water moving around them.
The Oceanic whitetip shark is easy to distinguish. It has a large, rounded first dorsal fin, and very long, wide, paddle-like pectoral fins. The first dorsal fin is very large with a rounded tip, and is just infront of the pectoral fins.The second dorsal fin is located over, or slightly infront of, the anal fin.he Oceanic whitetip reef shark reaches a maximum length of 4 metres, and can weigh as much as 170 kg (370 pounds). This species of shark can be distinguished among other species by its large, rounded first dorsal fin, and its very long, wide, paddle-like pectoral fins.