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Originally Posted by Azure
I really don't get the part about fish evolving the proper structure to survive on land.
Wouldn't they die before it happened? Seeing that they now need water to survive.....
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then why is there fish now are that capable of surviving on land or breathing air? Also fish that have fins that are more like legs and capable of walking on land? Some fish can live out of water for a couple of days.
http://www.lookd.com/fish/airbreathing.html
http://en.wikipedia.org/wiki/Lungfish
http://www.sfgate.com/cgi-bin/articl...NGCGI4CAD1.DTL
http://www.panda.org/news_facts/educ...erch/index.cfm