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Thread: Anatomy teacher discusses "the fish inside us"' |
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Thread Status: Active Total posts in this thread: 3
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
'Take the body plan of a fish, dress it up to be a four-legged mammal, then tweak and twist that mammal to make a creature that walks on two legs, talks, thinks and has super-fine control of its fingers, and we have a recipe for problems.'
----------------------------------------'Seeing the history inside our bodies is like peeling an onion: The first layers we see reveal the history we share with primates (large brains and opposable thumbs). Peel deeper and we find the layers of history shared with other mammals (hair and breasts), reptiles (our distinctive way of chewing food), fish (arms, legs, backbones and heads), worms (an anus on one side of the body and a mouth on the other), jellyfish (the DNA recipe that builds our bodies), sponges (our many celled bodies) and so on.' http://www.latimes.com/news/opinion/commentar...-2008jun15,0,523313.story [Edit 1 times, last edit by Former Member at Jun 16, 2008 12:04:43 PM] |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
just bumping this thread in case anyone is bored. the topic is our fish and monkey parts. enjoy.
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alver
Senior Cruncher Joined: Nov 30, 2007 Post Count: 245 Status: Offline Project Badges: 
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Thanks for bumping it - I missed it the first time around, and it's interesting.
----------------------------------------On a roughly-related note, my favourite is the story of the Recurrent laryngeal nerve as evidence for evolution: A nerve whose 'route' made perfect sense in fish, but got 'stuck' the wrong side of the heart, and as mammals evolved, the route got longer and longer. In the extreme case of giraffes, the nerve is 15 feet long, and would only be a few inches if it went the 'direct' route.  (previously known as 'proxima' on SETI, UD, distributed folding, FaD, and Rosetta) |
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