True or False? Scientists age sharks by counting the rings on their vertebrae.
True. Vertebrae contain concentric pairs of opaque and translucent bands. Band pairs are counted like rings on a tree and then scientists assign an age to the s
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15
True or False? Sharks have bones.
False. Sharks do not have bones. They have cartilaginous tissues.
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15
True or False? Shark skin is smooth and soft.
False. Shark skin feels exactly like sandpaper because it is made up of tiny teeth-like structures called placoid scales, also known as dermal denticles.
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15
True or False? Most sharks have good eyesight.
True. Most sharks can see well in dark lighted areas, have fantastic night vision, and can see colors.
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15
True or False? Most sharks have to keep swimming to pump water over their gills.
True. A shark's spiracle is located just behind the eyes which supplies oxygen directly to the shark's eyes and brain.
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boom
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15
True or False? Each whale sharkâs spot pattern is unique as a fingerprint.
True. Whale sharks are the biggest fish in the ocean. They can grow to 12.2 meters and weigh as much as 40 tons by some estimates!
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15
True or False? Sharks die when they are upside down.
False. Sharks do not die when they are upside down but instead they go into a trance like state.
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15
True or False? Sharks can sense different temperature shifts in the ocean.
True. Shark can sense electromagnetic fields and temperature shifts in the ocean.
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15
True or False? Sharks all have the same type of teeth.
False. Mako sharks have very pointed teeth, while white sharks have triangular, serrated teeth. Each leave a unique, tell-tale mark on their prey.
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15
True or False? Sharks have been around for over 450 million years.
True. Based on fossil scales found in Australia and the United States, scientists hypothesize sharks first appeared in the ocean around 455 million years ago.
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15
True or False? Blue sharks are actually a grey colour.
False. The blue shark displays a brilliant blue color on the upper portion of its body and is normally snowy white beneath.