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
Premium Shark
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
Premium Fish 2007 singles Shark
* The Galapagos shark was named after the islands where the shark was found. The Galapagos shark is a large‚ thin shark. The shark is brownish or grey black and has black sides and a white underside. PICTURE The first dorsal fin shark was tall‚ narrow and almost straight‚ and a low ridge leads to the small‚ second dorsal fin. The trailing edges of the fins may be darker than the rest of the body‚ and the tips may be a dusty colour. The shark is slightly different to most sharks because it has a
Premium Shark Ocean Pacific Ocean
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
Premium Predation Shark fin soup Shark
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
Premium Fish Shark Great white shark
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
Premium Shark Gene
_______________________ Great White Sharks by Erin Ryan The great white shark is one of the most recognizable sharks in the world. The only shark larger than a great white is the whale shark. Great white sharks have been found in each of the world’s oceans. Even though they have been spotted in waters as shallow as three feet (one meter) deep‚ these sharks spend most of their time in deep coastal waters. The great white shark is related to the prehistoric Megalodon shark‚ which grew to over sixty-five
Free Shark Great white shark Fish
essay on shark finning Issues surrounding shark finning can never be over analysed. At first glance shark finning may seem unenchanting‚ however its study is a necessity for any one wishing to intellectually advance beyond their childhood. While it has been acknowledged that it has an important part to play in the development of man‚ spasmodically it returns to create a new passion amongst those who study its history. It is an unfortunate consequence of our civilizations history that shark finning
Premium Politics Economics Odysseus
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
Premium Shark Fish
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
Premium Digestion Shark Stomach