Sharks belong to a group of fish called Chondrichthyes. Meaning they have skeletons made of cartilage instead of bones. These marine animals have inhabited the oceans for almost 440 million years. Hundreds of millions of years before humanity was ever created. While the idea of dinosaurs dominates the idea of a prehistoric world‚ they weren’t alive until about 230 million years ago. This has allowed for these cartilaginous sharks to evolve over time into the creatures that we are accustomed to today
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I suggest you continue reading. Sharks are fascinating creatures. All of them are unique in their own way. First‚ I am going to talk about the famous one of them all; the great white shark. The great white‚ is on top of the food chain and has few threats in
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October 24‚ 2013 Shark Finning is Inhumane Every year millions of sharks die a slow and immoral death from fishermen stripping them of their fins. These fish are taken out of the ocean and then stripped of their fins where their carcasses are then thrown back into the sea to either starve to death‚ be eaten by other predators‚ or drown because of the lack of constant movement their gills cannot extract oxygen from the water which is not only cruel but unorthodox. With that said shark finning should
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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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The Spiny Dogfish Shark Lab Report. BY: Jeremy Cotto Purpose We did this lab to further our understanding of Spiny dogfish shark anatomy and make the class more entertaining. People dissect organisms to find reasons for how they are able to do certain things. For example‚ the shark can chew through a great variation of things‚ because it has razor sharp teeth. I attempted to see what organ was connected to what and learn how squid differ from the human organ structure. I ’ve learned that the structure
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The Great Hammerhead Shark Sphyrna mokarran Table of Contents Introduction …………………… pg 3-4 Biology of the species ………….pg 4-5 Ecology of the species ………… pg 5-6 SocioCultural values ………….. pg 6-7 Economic Importance ………… pg 7-8 Conservation ……………………pg 8-9 Index …………………………...pg 10-11 Bibliography……………………pg 12-14 Life on earth is greatly influenced by oceanic habitat. All species are directly and indirectly impacted by the choices made by today’s existing generations
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Shark Research Paper people have a 1 and 3‚748067 chance of getting bit by a shark.lots of people think sharks are dangerous killers and intentionally attack human. Sharks usually mistake us for there main seals.people at ocearch are tagging them to find out more about them. Sharks like bill nye are very interesting. These sharks live all around the world exect antarctica.another interesting fact is that the space between their eyes help them see better.That also helps them hunt an adation
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Sharks Hug with Their Mouths When you hear the word “shark” what comes to mind? Razor sharp teeth‚ soulless eyes‚ and crushing jaws create a horrifying image. Hollywood movies and over exaggerated media stories have created a sense of fear towards sharks and led people to believe that sharks could hunt humans or attack you if stepped foot into the ocean. In these movies‚ the sharks are portrayed as man-eaters and monsters but‚ in reality it’s a totally different story. So
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of the specimens and other important features are taken for identification purposes by using white slate board as the background. 3. Ruler is used as a scale. 4. A shark is dissected by the demonstrator. The external and internal features are identified. A summary on the digestive and the reproductive system of a shark is written. 5. The steps how to observe the internal anatomy of a stingray is told briefly by the
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Lori Greiner is the “warm blooded Shark” on Shark Tank (heavy.com)‚ the “Queen of QVC” (Shark Tank)‚ an author‚ and an entrepreneur. Chicago Illinois was the birthplace for the shark Lori Greiner. Being an entrepreneur wasn’t Lori’s aspiration however‚ she wanted to be a journalist. She went to the Loyola University‚ majoring in communications. She became a playwright and sold jewelry. (last 4 sentences‚ frostsnow.com) What made her successful was the organizer for jewelry‚ made in 1996. (americanprofile
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