For over 400million years sharks have been adapting themselves perfectly for life in the ocean. Their varied habitats‚ diets and physiology has meant that for many of them‚ these adaptions have been slightly different. The key adaptions are those that enable the shark to swim‚ breath‚ feed and reproduce. Large squalene filled livers negates the need for a shark to have a swim bladder. The liver‚ up to 25% of the overall body weight‚ counteracts the weight of the dermal denticles‚ teeth and
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that considered a problem in which sharks face regarding humanity killing off their population. After a thorough analysis‚ the simplistic approach of the advertisement makes it highly effective in informing its viewers that humans have an impact on the ecosystem around them without ever explicitly saying it. Taking a first glimpse at the chosen advertisement‚ it is clear that there are two panels‚ one with a shark fin in the ocean‚ and one without the shark fin. It seems that nothing necessarily
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Should we eat sharks’ fins? Shark’s fin soup is a delicacy which is enjoyed by many people around the world‚ especially the Chinese as they believe that it symbolizes wealth‚ honour and respect. However‚ the practice of cutting off sharks’ fins alive and then throwing them back into the sea had caused increasing awareness and ire of animal rights and environment advocates. Statistics have estimated that one hundred million sharks are killed every year‚ not considering the fact that these numbers
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The goblin shark has a distinctively long and flat snout‚ resembling a sword blade. The proportional length of the snout decreases with age.[17] The eyes are small and lack protective nictitating membranes; behind the eyes are spiracles. The large mouth is parabolic in shape. The jaws are highly protrusible and can be extended almost to the end of the snout‚ though normally they are held flush against the underside of the head. There are 35–53 upper and 31–62 lower tooth rows. The teeth in the main
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Book Report I chose “The Shark And The Goldfish” by Jon Gordon for my book report. This book is about positive ways to thrive during waves of change and follows a goldfish named Gordy who washes out into the ocean. Gordy has always been taken care of and fed daily‚ but doesn’t know how to act or get food when he is in the ocean. He meets a nice shark named Sammy who teaches him how to find food and take care of himself. The story is a lesson for how you never know what life is going to throw
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Sharks myths busted We cannot run away from the fact that Sharks have been stereotyped to being these big and dangerous species that are feared by all humans. This species has been misrepresented in movies to be one of the most feared species in the ocean. We’re busting some shark myths that have been going on forever. MYTH 1: Sharks are man-eaters A negative perception of sharks is that they see humans as food which is not a fact. Most sharks prey on fish or invertebrates. It is said that sharks
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Why is it important to save the sharks? The shark is an apex predator of the marine ecosystem. In the marine ecosystem these predators are placed at the top of the food chain. Apex predators have a vital role in maintaining the health and balance of the ecosystems they dwell in. In addition to the previous statement if these top of the food chain predators were to be removed from their ecosystems‚ the health and balance of these ecosystems would become shattered and disturbed‚ with nobody to maintain
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Tiger Sharks Rosalani and Romina Mr. Wiscott Modern Hawaiian History May 17‚ 2002 The tiger shark‚ Galeocerdo cuvier‚ is a large (up to 18ft) predator found in tropical and subtropical waters world wide. Tiger sharks are one of the three main shark species known to attack humans‚ and are responsible for most shark attacks in Hawaii. Less than one shark attack occurs per year on average in Hawaii (compared to an annual average of 40 thousand drowning) and mosts attacks are non-fatal
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New hybrid sharks discovered: Signs of global warming? January 3‚ 2012 In what is being hailed as the world’s first evidence of inter-species breeding among sharks‚ a team of marine researchers at the University of Queensland have identified 57 hybrid sharks in waters off Australia’s east coast. The new sharks possess genetic material from both the Australian blacktip shark (Carcharhinus tilstoni) and the common blacktip shark (Carcharhinus limbatus). The Australian blacktip is smaller and tends
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Shark Attack (Summarizing and Note-taking) Answer the following questions: 1. Identify at least five organ systems in this region of the arm that the surgeon would have marked for reattachment. Circulatory‚ skeletal‚ lymphatic‚ nervous‚ integumentary‚ and muscular 2. List the names of the specific structures that had to be reattached. Specific Bone: Humerus ; Specific Muscles: Biceps brachii‚ brachialis‚ triceps ; Specific nerves: Median nerve‚ ulnar nerve‚ radial nerve‚ musculocutaneous
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