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SHARK ATTACKS!!!!
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[QUOTE]Originally posted by marydot: [QB] Just had to paste this : Sharks are apex predators in their environment,[21] and thus have little fear of any creature they cross paths with. Like most sophisticated hunters, they are curious when they encounter something unusual in their territories. Lacking any limbs with sensitive digits such as hands or feet, the only way they can explore an object or organism is to bite it; these bites are known as exploratory bites.[22] Generally, shark bites are exploratory, and the animal will swim away after one bite.[22] For example, exploratory bites on surfers are thought to be caused by the shark mistaking the surfer for the shape of prey.[23] Nonetheless, a single bite can grievously injure a human if the animal involved is a powerful predator like a great white or tiger shark.[24] Despite a few rare exceptions,[25] [26] it has been concluded that feeding is not a reason sharks attack humans; as stated on Howstuffworks.com, "Humans are not on the menu. In fact, humans don't provide enough high-fat meat for sharks, which need a lot of energy to power their large, muscular bodies".[23] Sharks normally make one swift attack and then retreat to wait for the victim to die or exhaust itself before returning to feed. This protects the shark from injury from a wounded and aggressive target; however, it also allows humans time to get out of the water and survive.[27] Shark attacks may also occur due to territorial reasons or as dominance over another shark species, resulting in an attack.[28] Sharks are equipped with sensory organs called the Ampullae of Lorenzini that detect the electricity generated by muscle movement;[29] another theory is that the shark's electrical receptors, which pick up movement, pick up the wounded signals of fish from someone who is fishing or spearfishing, and thus attack the person by mistake.[28] George Burgess, director of the International Shark Attack File, said the following regarding why people are attacked: "Attacks are basically an odds game based on how many hours you are in the water [/QB][/QUOTE]
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