The Secret Life Of Great White Sharks Essay -- essays research papers

Great neat cheats ar crackingly misinterpreted as vicious man-eaters because of the media, movies, and peoples imaginations, but they are actually enlarged fish who mistake people for seals and other marine life. What is a great white cheat? The great white, among the least understood of Earths creatures, is an apex predator, meaning that it is at the top of the food chain with no natural predators. This means great whites nourish their pick of food when it comes to selecting their feed (Klimley 15).Carcharodon carcharias, better know as the great white cheat, have existed as a group for over 350 million years (Long). Its hollo means ragged-toothed (Gorman 10). The largest white shark on record was 21 feet considerable and weighed 7302 pounds. Its ancestors, now extinct, were three times this size, with teeth that were six inches long (White Shark). forthwith sharks are represented by over 600 species (Long). Great whites are let on of a grouping know as mackerel shark s, a grouping which includes the salmon, porbeagle, and maco shark (MacGregor 46). Unlike the true fishes, sharks do not have internal bone, but instead have a cartilaginous skeleton (Long). This stiff negotiable material is found in the ridge of your nose and in your earlobes. Because gristle does not leave fossil remains like bones, there are no fossils of ancient sharks- just their teeth (Klimley 56). Little is known about(predicate) great whites because they are enormous, bulky, and hard to handle. And thats when theyre dead. Their body temperature is sometimes ten to fifteen degrees Celsius warmer than the surrounding water, which makes them efficient predators in sedate water (Gorman 15). The back of the shark is a dull gray colorize and the underside is colored white. The tail is crescent shaped. There are v gill slits on great white sharks. Studying a lodge great white shark up close and in expatiate is, for obvious reasons, practically impossible (Sanders 31). The gr eat white is the only shark that can hold its head above water to see what is mishap on the surface (MacGregor 47). It has been said that sharks do not swim with water as much as they fly through it with their gunslinger like body (Gorman 25). The fins of a shark serve important roles in this action. As the shark moves the Caudal, back, fin to propel it forward, careful adjustment of the pectoral, side, and dorsal, top, fins carry through the shark leve... ...is planet. For them to be driven to extinction by man, a relative newcomer, would be more than an ecological tragedy it would be a deterrent example travesty (Gorman 29). Works CitedAll About Sharks. 5 Feb 2001. <<a href="http//www.ozemail.com.au/bilsons/sharks.htm">http//www.ozemail.com.au/bilsons/sharks.htm>.Bowman, S.C. Shark Attacks. Readers Digest July. 1995 74-8.Gorman, Jessica. Inside the Great White. National geographical Apr. 2000 2-29.Klimley, A.P, Anderson, S.D, Henderson, R.P, and P. Pyle. Gr eat White Sharks the biology of Carcharodon carcharias. New York American publication Inc., 1996.Long, Douglas. The White Shark. 5 Feb 2001 <<a href="http//www.ucmp.berkeley.edu/vertebrates/Doug/shark.html">http//www.ucmp.berkeley.edu/vertebrates/Doug/shark.html>.MacGregor, Elise. Beyond Jaws. Windsurfing Magazine. Sept/Oct. 1993 45-9.Martin, Glen. Great White Sharks. Discover. June. 1999 54-61. Sanders, Zack. A Great White Shark. Newsweek. Oct. 1996 30- 36.White Sharks. 20 Feb 2001. <<a href="http//www.aqua.org/animals/species/whitshark.html">http//www.aqua.org/animals/species/whitshark.html>.