Sharks Sharks are one of the most feared carnivores in the sea. There are 365 species of of sharks in the sea as we know today. All sharks are carnivores. Most of them eat live fish‚ including other sharks. A shark’s most common natural enemy is an another shark. Most sharks eat their prey whole‚ or they tear off large chunks of the bodies. Some sharks crush their prey. Others take out small pieces off flesh from large fish. Sharks also feed on dead or dying animals. Sharks have the reputation of
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Shark Finning It wouldn’t be news if I told you our planet has its environmental problems. We’re making some progress in controlling what we put into the air‚ put into our landfills and even put into our oceans. But we’re not paying enough attention to what we are taking out of our oceans – sharks – and they’re being killed at the rate of up to 73 million per year. That number refers to the number being killed only for their fins and almost entirely to make shark fin soup. You may not really care
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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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Who is involved in shark finning‚ and where? Finning occurs worldwide and is most common in high seas fisheries‚ hundreds of miles out to sea. Oceanic fishing fleets target valuable fish such as tuna‚ using thousands of baited hooks on miles of long-line‚ and freezing their catch onboard. Unfortunately‚ long-liners often catch several times as many sharks than they do tuna. Until relatively recently‚ this shark ’bycatch’ was considered a nuisance‚ and sharks were cut loose and allowed to swim away
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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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08/July/2010 Sharks have been in existence for more than 300 million years. Their evolution occurred over 150 million years earlier than that of the dinosaurs. Most of the existing fossil data of early sharks was collected from fossilized teeth together with several skin impressions. primitive sharks (Cladodonts) ‚ had teeth which were double-pointed‚ up to 2metres in length‚ ate fish as well as crustaceans‚ and existed approximately 360 million years ago. The earliest shark-like beings shown
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Dog Fish Shark Dogfish sharks are the second largest sharks‚ there body shape is rounded. Dogfish sharks have a variety of different parts. Smell‚ taste‚ hearing‚ sight‚ touch‚ and electroreception are six sensory systems that sharks use. All of there senses allow them to explore the environment and survive. There senses help them locate prey‚ avoid danger‚ and also find mates. Sharks nostrils or nares are under the edge of there snout. There nares are separate from there mouth and throat‚ they
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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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Misconceptions of the Endangered Sharks “Strong jaws‚ teeth-like scales covering the body‚ gills‚ dorsal fins‚ pectoral fins‚ and a powerful tail‚ along with fantastic camouflage…”(Kraus 91)‚ sharks have been able to remain the top predator of the ocean waters for the past 400 millions years. They belong in the family known as the Chondrichthyes which distinguishes them from other of aquatic life in which they have evolved to have special skeletons made up of cartilage and connective tissues. These
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Soup in Brazil Category Briefing | 16 Nov 2011 HEADLINES * Soup records strong growth in value terms‚ with a rise of 15% to reach R$917 million in 2011 * Manufacturers continue to invest in health and wellness products and position soup as convenient * Instant soup posts the strongest value growth at 20% in 2011 * Unit prices show modest growth due to fierce competition among key players * Nestlé Brasil Ltda and Unilever Bestfoods Brasil Ltda have a combined value share of 62%
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