المساعد الشخصي الرقمي

مشاهدة النسخة كاملة : [تقرير جاهز] تقرير انجليزي عن القرش



لولو كاتيز
04-03-2012, 06:18 PM
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Ministry of Education
Dubai Educational Zone










Shark



My name:
Class:







Introduction



























Shark
Shark is a fish of the sea fish, shark species from the peaceful companions and from thedanger, the shark is a name many of the fish, and therefore can not give full play to thetrue definition of sharks,
The Sharks also differ in body shape and size, behavior and habits.
Types:
Detection was 2000 species of sharks by fossils, half of these species have become extinct, some differs from the traditional figure that we know about sharks, for example, some of which live almost flat at the bottom of the sea, while others like aliens(imaginary) alien is living at great depths thirtieth of which only pose a threat to rights, the head of these thirty-four species are the most dangerous shark species in the world,namely: the white shark, bull shark, tiger shark and oceanic sharks.










This Ochehrsthosmak penny and information about

Blue shark:
A sea creature predator living in the seas and there is everywhere in the world almost, feeding fish and XXXXlfish, and attacks the human sometimes and watch always a swim pixels near the surface of the water which has the sense of smell enables it to detect spots of small blood, are found on Khatmat members a sense of position sense of electric fields resulting from the contraction of the muscles of animals and reduced T can not see it.
White Shark:
White Sharks of the most serious of four sharks in the world, enjoy the sense of smell is strong can smell blood from a kilometer and very fast in the water and present edges of some continents, and the reason for call Balqrchalabad due to the whiteness of his part, ventral, and the part dorsal Vlunha Gray Light Sometimes Rsasia tilted to the blue, Alqrchalabad feeds on fish, sharks, small prey like big, sea lion or sea lion, and small whales, otters, dolphins, turtles and Algaytat, as well as dead animals and floating on the surface of the sea, and remnants of ships and ports.
Saw sharks:
Taahesmkh shark saw on the bottom in shallow areas of mud and sand although he from time to time going to deep water that may reach a depth of 40 meters and rarely moving toward areas of reefs in search of food and are often located in areas close to the beach and at the mouths of rivers, has Some think that Mncharh used in the attack, but do not use it to search for food and its use in the sand digging and searching for food under the sand.


















Shark Hammer:
Shark hammerhead inherits the magnitude and brutality of white shark, this shark lives in the marine and coastal areas and in some cases be present in all tropical oceans, and in the sea Alahmarwsear the Mediterranean, and the depth of 100 meters, an animal confinement, the basis of its activity at night, and shark hammerhead great can to live for 37 years, feed on bony fishes and also sharks, for example: the tiger shark, which is the favorite prey, and also eat crustaceans and molluscs.
Bull shark:
Shark Bull is one of the most dangerous four pennies in the world and in particular rights, and called the bull by the behavior of the unexpected and the technology to attack and bite, and eat fish and great sharks other than includes sharks bull Other, live on the coast, and the parties to the continents and shallow waters and rivers, causing great danger to humans, the greatest danger it The man is a tiger shark attack him and the white shark.
Whale shark:
Is the largest fish in the world, a length of up to 12.65 meters and weighs 21.5 tons and despite his age is not offensive it Bngzy on algae and plankton, krill and larvae, squid, small, has from 300 to 350 row teeth small, a method of predation or food has such whale completely so that his mouth and absorbs water and food then shut and expels the water through the food Akashi Faalq in special sieve between Alkhaashim and back that allow fluid to pass does not allow for anything more than a length of 3 mm to pass through.




Shark attacks:
Are shark attacks on humans, each year a number of sharks attacking people, but most cases saved from the attacks. Despite the paucity of shark attacks on humans, but that the fear of shark attacks are a widespread phenomenon and the greatest credit for thisphenomenon is not and incidents of attacks has not disturbed sharks (decode predator)where such incident in New Jersey in 1916. Many experts believe that the risk of sharks




on humans is exaggerated, and even the maker series Jaws Peter Pennekla, in recent years tried to clear the myth that sharks are the monsters eat the human flesh. And the types of attacks:
• Accidents excited (human accidents provoked shark like to be human, try to catch a fishor shark tried to feed the shark).
• Incidents of non-excited (no accidents in which human deeds may evoke a shark).


















Appendix





























resources

www.study4uae.com

www.wikipedia.org