Weather Games for Kids - The Weather Channel Kids Video Watch today's top stories and most popular videos. Looking to watch incredible tornadoes? We've got that too. Maps Check out our interactive maps, which provide you with features like past/future radar and customizable layers. Local Weather Trust us to help you plan the best day possible, with the most accurate weather forecast available. écoutez et choisissez entre true (vrai, si le mot correspond) et false (faux) true (vrai) or false (faux)? - true false - true false - true false - true false - true false - true false - true false - true false - true false true false - true false - true true - true false - true false true false - true false - true false - true false - true false - true false - true false
Zoom Sharks Sharks are amazing fish that have been around since long before the dinosaurs existed. They live in waters all over the world, in every ocean, and even in some rivers and lakes. Unlike bony fish, sharks have no bones; their skeleton is made of cartilage, which is a tough, fibrous substance, not nearly as hard as bone. Sharks also have no swim bladder (unlike bony fish). SIZE There are many different species of sharks that range in size from the size of a person's hand to bigger than a bus. Sharks have a variety of body shapes. SKELETON Sharks are a type of fish that have no bones, only cartilage. Sharks belong to the group of fishes called Elasmobranchii, which also includes the rays, skates, and ratfish. Sharks may have up to 3,000 teeth at one time. DIET Sharks vary greatly in their diets, but they are all carnivores. DO SHARKS SLEEP? Sharks do not normally attack people, and only about 25 species of sharks are known to attack people. For more information on early sharks, click here.
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