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» Scarleteen Boards: 2000 - 2014 (Archive) » SCARLETEEN CENTRAL » The Randoms » Sharks

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Author Topic: Sharks
kittylouise711
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Member # 14134

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Hi. People say that sharks don't have a single bone in their body. Well, considering they have numorous ammounts of teeth, arent they considered a bone, too? And also, sharks are vertebretes, right? And vertebrate means they have a back bone. And your back"bone" is a bone, isn't it? So i'm just wondering if sharks have any bones or not. Thanks in advance.
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Pumpkin_Pie
Scarleteen Volunteer
Member # 5822

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Well according to:
http://www.flmnh.ufl.edu/fish/education/questions/Basics.html#bones

"No, sharks and all other fishes belonging to the class Chondrichthyes lack true bone, but rather have cartilaginous skeletons."


Cartilage is like the squishy yet tough tissue that makes up the outside of our ears.

[This message has been edited by Slayer_gurl (edited 08-30-2003).]


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Insane
Activist
Member # 7343

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quote:
Originally posted by Slayer_gurl:
[B] Cartilage is like the squishy yet tough tissue that makes up the outside of our ears.[B]

and the tip of your nose. It is why sharks can bend in half (touch their tail to their face) when the swim, or hey maybe they use that maneuvre as a sexual position!


Posts: 234 | From: Ottawa, Ont, Canada | Registered: Mar 2002  |  IP: Logged | Report this post to a Moderator
   

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