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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The Sea The Tiger shark‚ also known as the “wastebasket of the sea”(National Geographic)‚ is the fourth largest predatory shark in the ocean‚ measuring between twenty and twenty five feet long and can weigh more than 2000 pounds. They have dark‚ vertical stripes on their bodies which is the reason they are named tiger sharks. According to National Geographic‚ these stripes fade lighter as the shark grows older‚ and eventually disappears with age. The head of the tiger shark is somewhat wedge-shaped
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great white shark veraciously attacks him. This is what comes to mind when most people think of sharks‚ but they are not really just man-eating monsters of the sea. Sharks are a fascinating group of fishes that strike fear into the minds of humans‚ but they are nothing to be afraid of. There are over 475 different species of sharks‚ but only a few of these are considered to be dangerous to people. These include Great White Sharks‚ Tiger Sharks‚ and Bull Sharks. Most species of sharks do not even
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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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Hammerhead Sharks Marine Science/ Per. 1 Sharks are one of the most feared sea animals. They live in oceans across the world but are most common in tropical waters. There are over three hundred fifty species of sharks. They can be broadly categorized into the following four groups: Squalomorphii‚ Squatinomorphii‚ Batoidea‚ and Galeomorphii. The shark family Sphyrnidae that includes the Hammerheads are part of the Galeomorphic classification. They are probably the most easily recognizable
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decided to start my own fish tank! First I had to grab all of my materials. My tank is a lovely 55g with a stand and lots of figurines. Then I had to go through the steps of setting up the tank‚ picking a location‚ making sure everything looked perfect. Then came the even more fun part of cycling it. It wasn’t easy‚ but hopefully what I have learned along the way can help you to start your own fish tank too! II. Body A) The most important step to owning a fish tank‚ is finding one! That’s not
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secure these loans which often turn into a night mare or even trade death. Often the borrowers do not realize the very high interest rates charged. The Malaysian Crime Prevention Foundation (MCPF) hosted a brain storming session on the issue of loan sharks and what needs to be done in addressing this problem. About 13 people gathered on July 12‚ 2006 at the MCPF Conference room. Datuk Dr Denison Jayasooria chaired the meeting. Tun Hanif Omar the former Inspector General of Police was present and he
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necessity to have cannon equipped tanks. The year 1935 will bring about the manufacturing of the T2E1 or M2 “Light Tank” it would also be equipped with smaller armaments‚ but Soldiers would make do with this light tank as America was dealing with the Great Depression back home. The M2 would also bring about the dual turret feature‚ a new design feature popular at the time. With the introduction of classification levels different variants would be produced with increased armor and armaments. This
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Montero 8-1 Tanks In 1915 Europe was in the midst of World War I and was at a stalemate caused by trench warfare. There was a need for new and revolutionary weapons to end the dilemma. The British found a solution to this problem by inventing tanks. The invention of the tank had numerous pros and cons‚ but it ultimately changed warfare. Tanks were built for the purpose of traversing through trenches. Trenches were becoming a literal wall and prevented either side from advancing. Tanks were the solution
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