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At Risk

Shark Week 2019: The Sharks Quiz

Shark Week 2019 is here! Which shark facts are fishy and which hold water? Find out in our quiz.

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The Shark Quiz

Separate fact from fishy fiction.

Fact or Fiction: Shark Bite = Shark Attack?

  1. Fact

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  2. Fiction

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  3. Not sure.

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  1. Fact
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    Nope!

    Sharks actually don't like the taste of humans, and guess how they decide if something is yummy prey? With an exploratory bite. That's why so many shark encounters end with a single bite; we taste yucky.
  2. Fiction
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    You got it!

    Sharks actually don't like the taste of humans, and guess how they decide if something is yummy prey? With an exploratory bite. That's why so many shark encounters end with a single bite; we taste yucky.
  3. Not sure.
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    Come, on you got this!

    Did you know there are only 87 shark 'attacks' on average each year, compared to the 100 million sharks humans kill?

Which Everyday Products Contain Shark Liver?

Sharks are killed for their livers, which contain an oil called squalene. Plant-based squalene (eg. from olives) is a shark-friendly pick.

  1. Lipstick

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  2. Moisturizer

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  3. Vaccines

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  4. Chocolate

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  1. Lipstick
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    Correct

    If you wear cosmetics, you’ve probably had shark’s liver juice on your person. Shark-based squalene has long been a favourite of big brands, although many vowed to switch to plant-based alternatives in 2008.
  2. Moisturizer
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    Correct

    Squalene absorbs easily and combines well with other oils — making it a fave of the cosmetics industry, particularly in face and body creams. Many companies now used plant-based squalene/squalane, but check that ingredients list.
  3. Vaccines
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    Correct

    Your doctor’s office isn’t necessarily shark-free either. Shark liver-based oil is used to improve the efficacy of some vaccines.
  4. Chocolate
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    Incorrect

    As far as anyone is aware, shark liver oil is not used in chocolate. So you can enjoy that family-sized bar of it in peace. Admit it, you’re relieved.

What Age Is The World's Oldest Shark?

These sharks might yell 'Get off my kelp lawn!' to pesky jellies.

  1. 2.5 Million Years Old

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  2. 65 Years Old

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  3. 700 Years Old

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  4. 270 Years Old

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  1. 2.5 Million Years Old
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    Nope!

    Sharks are certainly long-lived creatures, but unlike in Hollywood movie 'The Meg' huge extinct sharks aren't living in historic bubbles for millions of years.
  2. 65 Years Old
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    Wrong

    Sharks have remarkable DNA which can repair itself so they can live long lives. The Great White shark is particularly well studied for it's highly-stable, healing-geared genome.
  3. 700 Years Old
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    Nope!

    Not quite. But did you know that the modern shark owes its existence to ancestors running back as far as 450 million years?
  4. 270 Years Old
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    You Got It!

    Scientists couldn't use the usual methods to tell the age of the Greenland shark, so they looked at residual radiation from historic nuclear tests in the eyes of the sharks to understand their age. The oldest? over 270 Years old.

What is Special About Shark DNA?

Scientists think shark DNA might be a key to medical breakthroughs. But why?

  1. It's Smaller than Ours

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  2. It's Unstable

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  3. It Can Heal Itself

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  1. It's Smaller than Ours
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    Wrong!

    Shark DNA is actually 1.5x bigger than human DNA, meaning more room for nature's coding.
  2. It's Unstable
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    Wrong!

    One of the reasons scientists think that shark DNA is so amazing at healing is that it is much more stable than human DNA. It could shed light on a cure for diseases like cancer.
  3. It Can Heal Itself
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    Correct

    The first study of the Great White Shark's genome mapped showed they have adaptive DNA which shifts to preserve integrity. Short answer: It can adapt to repair.

Sharks Are Deadlier Than....

Feared. Revered. Admired. Sharks are highly-sophisticated apex predators, but just how dangerous are they to us?

  1. Toilets

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  2. Dogs

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  3. Lightning

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  4. Manatees

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  1. Toilets
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    Wrong

    In 2008 toilets injured 33,000 Americans versus just 41 injured by sharks. Next time you sit on that porcelain throne, spare a thought for our finned friends.
  2. Dogs
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    Wrong

    Man's best friend? Yes! But also animals to be respected. Dogs were responsible for 23 deaths in the US in 2008, compared to just 1 death from shark attacks in the same period.
  3. Lightning
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    Nope!

    You really are more likely to be struck by lighting. An average of 62 people die from lightning strikes in the US every year. Shark attacks, however, result in just one death on average every two years in the USA.
  4. Manatees
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    Correct

    It's pretty easy to be more dangerous than a manatee. Known as the 'sea cow', the manatee is a peaceful herbivore at risk from human intervention. Sharks have the sea cow trumped.

Learn more about sharks and our ocean here at Ocean.org

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