Sharks zAC waller

  • Fossil records show that the first shark lived about 300 million to 100 million years ago.
  • Sharks are among one of the oldest living things on the earth.
  • People believe that there are 250 different sharks in all earths oceans.
  • A great majority live in temperate and tropical regions.
  • Most sharks will drown if they do not move.
  • Only a few species of sharks attack people.
  • Most species of sharks eat things like fish,mollusk,plankton,krill, and other sharks.
  • Most sharks hunt at the evening or at night.
  • Each shark has different teeth depending on their diet.
  • Sharks never run out of teeth.
  • The reason why sharks never run out of teeth is because if they loose a tooth another spins forward from the rows and rows of back up teeth.
  • Sharks shed their teeth.
  • Sharks have the most powerful jaw on the earth.
  • Sharks skeleton is made up of cartilage.
  • The cartilage that sharks have is more flexible and lighter than bone.
  • Sharks skin is made up of scales that act as an outer skeleton for easy movement.
  • Sharks have adapted to living in different areas and various tempters.
  • The blue shark is the most endanger shark in the world.
  • The whale shark is the biggest shark on the earth.
  • The whale shark is the largest targeted shark by commercial fishers.
  • Scientist believe that the megalodon is the biggest shark ever.
  • The megalodon was so big it could eat a whole car.
  • Great whites are the largest predator animal on the world.
  • Great whites can weigh up to 5,000 pounds.
  • Great white sharks can jump out of the water up to 10 feet.
  • Great whites are torpedo like swimmers that can go through the water at 15 mph.
  • Great whites can detect one drop of blood in 25 gallons of water from 3 miles away.
  • The great white shark averages 15 feet long but some have been as large as 20 feet long.
  • When great whites are smaller they feed off of prey such as fish and rays.
  • Sharks do not have a swimming bladder.
  • Most sharks use light to attract prey.
  • Sharks are sensitive to light.
  • Sharks can live up to be 100 years old.
  • Sharks sleep but they do not close their eyes.
  • Only one side of the brain sleeps at a time to maintain the breathing process.
  • The average shark has 40-45teeth and can have up to seven rows of replacement teeth.
  • Sharks often go through more than 30,000 teeth in lifetime.
  • The first tiger pup to hatch kills all other siblings until two are left.
  • The tiger shark is the second most dangerous shark in the world.
  • A bull shark can live in saltwater and fresh.
  • Most sharks must swim constantly to force water through their mouth and gills because they cannot pump it.
  • Sharks have five to seven gill slits.
  • The smallest shark is the dwarf lantern it is 7 inches long.
  • Some sharks can hear from 3,000 feet away.
  • Sharks ears are located inside of their heads.
  • Whale sharks lay the largest eggs of any animal on land or sea.
  • Sharks have the eight classifications depending on their physical characteristics.
  • Unlike fish sharks can only swim forward.
  • The oldest shark is the goblin shark it has been around for 120 million years.
  • Sharks can see better in the dark.
  • Shark's eyes are located on the sides of their heads.
  • Sharks have the thickest skin of any animal.
  • Sharks have the largest brain of any fish.
  • One of the most common ways sharks mate is by biting each other.
  • Thresher sharks use their tails the slap prey to death.
  • The bamboo shark does not swim.

Works Cited

Shark Facts and Information. Web. 01 May 2017.

Shark Facts and Information. Web. 01 May 2017.

"50 Amazing Shark Facts." Welcome To SharkSider.com! 08 May 2016. Web. 01 May 2017.

"Basic Facts About Sharks." Defenders of Wildlife. 19 Sept. 2016. Web. 01 May 2017.

Reyes, Mary. "25 Crazy Facts About Sharks You Can Sink Your Teeth Into." List25. List25, 11 Aug. 2014. Web. 01 May 2017.

"Shark Guardian - 100 Awesome Shark Facts." SHARK & MARINE CONSERVATION WORLDWIDE. Web. 20 Apr. 2017.

"Shark Guardian - 100 Awesome Shark Facts." SHARK & MARINE CONSERVATION WORLDWIDE. Web. 01 May 2017.

"Shark Teeth." Worksheets for Kids. Web. 01 May 2017.

Society, National Geographic. "Great White Sharks - Shark Pictures - Great White Facts." National Geographic. Web. 01 May 2017.

Credits:

Created with images by A.M. Kuchling - "Shark"

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