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.
Tiger sharks have darker stripe on their sides, especially in younger sharks. These are large sharks that may grow over 18 feet in length and weigh up to 2,000 pounds. Although diving with tiger sharks is an activity some engage in, these are another shark that is one of the top species reported in shark attacks. More Â».