A few critics have noted the ways in which Kennedy's speech differed from the typical inaugural address. Focusing on Kennedy's use of antithesis, for example, Edward B. Kenny emphasized how the speech cast global events as a simplistic struggle between two opposing forces, the United States and the Soviet Union.
As adults in the marine environment, Pacific lampreys are parasitic and feed on a. variety of marine and anadromous fish including Pacific salmon, flatfish, rockfish, and pollock, and. are preyed upon by sharks, sea lions, and other marine animals. They have been caught in depths.
In the 1940s and 1950s, sea lamprey populations became excessive in the Great Lakes, which contributed significantly to the collapse of fish species that ere an economic mainstay of a vibrant Great Lakes fishery.he sea lamprey is an aggressive parasite with a toothed, funnel-like sucking mouth and rasping tongue, which is used to bore into the flesh of other fishes to feed on their blood and body fluids. A single lamprey will destroy up to 40 pounds (18 kilograms) of fish during its adult lifetime.