All About Sharks-seven paragraphs

Did you know that there ar more than 350 species of cheat? around of the most common types of sharks atomic number 18 the angel sharks, saw sharks, and cow sharks. Sharks have a strange fossil record compriseing of broadly speaking dentition. The shark is too considered to be the perfect predator. Sharks come in all different shapes and sizes. Sharks are excessively known to approximatelytimes fall upon people. Some of the main types of sharks are the angel sharks, saw sharks, and dread sharks. Squainiformes, or also known as the angel sharks, are characterized by their ray like flattened bodies. This order has superstar and only(a) family that is called Squatindae that contains about 13 species. The maximum size that can be reached by any 1 of these species is 4-6 feet in length. Pristiophoriformes are also known as the saw sharks. This order has only has one family, Phistophoriformes, which contains five species. These sharks are easy to recognize because th ey have an extensive blade like snout that is lined with sharp teeth along the edges, which gives them the name saw sharks. Hexanchiformes, or cow sharks, follow of two families. They are recognized by their six or seven pairs of gill slits. These sharks can often be fight in deep water. Shark fossil records are rudimentary at best. Most fossils found so far consist of postal code still teeth; in round cases a a few(prenominal) vertebrae have been found. This is rare because sharks do not have mug up; instead, they have cartilage which, strange to common belief, is rather solid.

In the rarest of cases com plete fossils have been discovered. there w! ere not too more changes in the shark fossils in millions of years. The Hybodonts, who made their appearance some 320 million years past in the age of the dinosaurs, were quite a common throughout... this was definately a very informative essay but it would have been give out to have been organized by shark type. a modify place to find information on sharks is at your topical anesthetic aquariums website If you want to get a ample essay, order it on our website: OrderCustomPaper.com

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