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Old 12-30-03, 10:54 PM   #1 (permalink)
Neo
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legs

i was watching this animal planet special on snakes and it said that i forgot which but either boas or pythons have internal legs (skeletal structure) left over from evolution or something. Thought it was pretty neat.
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Old 12-30-03, 11:45 PM   #2 (permalink)
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this explains all about it
http://www.synapses.co.uk/evolve/lec3i.html
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Old 12-31-03, 05:56 PM   #3 (permalink)
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Most Boids have had vestigial limbs from the early-mid Cretaceous period(200 -100 million years ago when earlier before that they started to loose their working limbs. They then started to take on the"snake" appearance as they do now. If you watch a boa while trying to mate, the 2 "claws" spurs move about in a circular pattern, it is quite interesting movement which might show that these had a greater use somewhere in the distant past.
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