disappearance of the big creatures

Subject: disappearance of the big creatures

Date: Sat Apr 15 21:33:21 2000
Posted by sharc
Grade level: nonaligned School: No school entered.
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Area of science: Evolution
ID: 955852401.Ev

Message:


i think that there were a lot of very intersting organisms in the distant past - 
placoderms, giant bugs, carcharodon megalodon, (i know that's no longer it's 
correct name, but i forgot the new one) etc. not to mention the huge, even 
mammoth (i couldn't resist) mammals of the pleistocene. what happened to 'em? did 
they die out in the mass extinctions, or were their sizes too awkward?

Re: disappearance of the big creatures

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