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Old 06-16-03, 03:32 PM   #31 (permalink)
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Invictus, if you think that you obviously know very little about whales and dolphins!
Dolphins have upper and lower jaws that fit together well. They are also born with a few hairs (namely above their eyes) they fall out with age. And YES! they produce body heat! how the heck do you expect them to survive in sub-zeroa water temperatures. Even SHARKS produce their own body heat...

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Old 06-16-03, 03:40 PM   #32 (permalink)
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I thought so.
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Old 06-16-03, 04:19 PM   #33 (permalink)
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Sorry, when I was editing, I missed the thing about the teeth. I did know that.

I'm skeptical about the hair thing though. I'll see if I can find info about that.

And I was sure they were cold-blooded, but I'll concede defeat on that one.
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Old 06-16-03, 06:13 PM   #34 (permalink)
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Quote:
Originally posted by Samba
Next thing you know he'll be telling you that Dinosaurs are make-believe!
Hahahahahahaha I actually met someone that didn't believe in dinosaurs, thinks its all a bunch of makebelieve, even though she believed in aliens!!
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Old 06-16-03, 06:19 PM   #35 (permalink)
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http://whale.wheelock.edu/archives/ask99/0336.html
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Old 06-16-03, 08:07 PM   #36 (permalink)
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on an other note..

Tuna can be considered warm blooded... it does not produce its own body internelly but externally by simply moving extremelly fast thru the water..
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Old 06-16-03, 08:11 PM   #37 (permalink)
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Originally posted by Zoe
Invictus, if you think that you obviously know very little about whales and dolphins!
Dolphins have upper and lower jaws that fit together well. They are also born with a few hairs (namely above their eyes) they fall out with age. And YES! they produce body heat! how the heck do you expect them to survive in sub-zeroa water temperatures. Even SHARKS produce their own body heat...

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Or maybe he just went on what he thought, and didnt pull out a book, or call up yahoo to check all of this.. Neat facts though.
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Old 06-17-03, 08:50 AM   #38 (permalink)
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V.hb - you like contradicting me, don't you? At any rate, what he THOUGHT he knew was either not much or incorrect. It happens, but what was I supposed to say "You're entirely correct! I'll go tell the scientists that Dolphins are actually insects"?
And by the WAY, I didn't have to look in a book or search on yahoo to find that information. (however I did take a quick look to check my facts)

Dom - many fish who live in sub-zero waters produce some heat of their own. For example Sharks can be considered warm blooded. Their blood temperature is quite a bit higher than the temperature of the water surrounding them. However I don't know if friction caused by moving fast could be considered warm blooded, because it's not the body generating it's own heat, you know? :P

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Old 06-18-03, 01:55 AM   #39 (permalink)
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I agree with Zoe, if the animal is using an external means of heating its body, then it is not warmblooded. That is similar to saying snakes are warmblooded because they get warm by moving to places with the best temps. To be warmblooded you have to be able to (internally) produce your own body heat
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